1 00:00:03,840 --> 00:00:08,120 We eat more baked beans in Britain than anywhere else on Earth. 2 00:00:08,120 --> 00:00:12,520 Every day, we consume over two million cans of them. 3 00:00:12,520 --> 00:00:15,560 That takes hundreds of sacks of beans - 4 00:00:15,560 --> 00:00:17,040 like this. 5 00:00:17,040 --> 00:00:21,480 Tonight, we're going to tell the truly extraordinary story 6 00:00:21,480 --> 00:00:23,840 behind an ordinary can of beans. 7 00:00:23,840 --> 00:00:28,640 By taking you inside the biggest food factory in Europe. 8 00:00:31,800 --> 00:00:33,560 I'm Gregg Wallace. 9 00:00:33,560 --> 00:00:35,160 That's a tin of beans, innit? 10 00:00:35,160 --> 00:00:36,760 ..and I'll be revealing the secrets 11 00:00:36,760 --> 00:00:39,160 of this astonishing production line... 12 00:00:39,160 --> 00:00:41,440 A billion beans is going to go through here 13 00:00:41,440 --> 00:00:44,960 and a laser is going to look at every single bean? 14 00:00:44,960 --> 00:00:47,440 ..and the science behind the magic... 15 00:00:47,440 --> 00:00:49,080 That is mega-strong. 16 00:00:49,080 --> 00:00:53,080 That's quite incredible. That is simply that with ripples in it. 17 00:00:53,080 --> 00:00:57,080 ..turning a humble little bean into one of the 300,000 tonnes 18 00:00:57,080 --> 00:01:00,080 of baked beans we eat every year. 19 00:01:00,080 --> 00:01:03,080 Mate, what it takes to give us beans on toast, eh? 20 00:01:06,240 --> 00:01:07,480 I'm Cherry Healey. 21 00:01:08,520 --> 00:01:14,080 I'll show you the incredible journey your recycled tin can goes on 22 00:01:14,080 --> 00:01:16,760 in order to make it back to your pantry. 23 00:01:18,360 --> 00:01:20,040 God, it's so hot. 24 00:01:20,040 --> 00:01:23,080 Bits of it are just falling off as it rolls away. 25 00:01:24,800 --> 00:01:27,600 Historian Ruth Goodman discovers that tinned food 26 00:01:27,600 --> 00:01:30,560 was once a matter of life and death. 27 00:01:30,560 --> 00:01:34,440 Malnutrition had killed more than half of the British seamen. 28 00:01:37,920 --> 00:01:40,080 Three million cans of baked beans 29 00:01:40,080 --> 00:01:44,080 will roll out of this one factory in the next 24 hours. 30 00:01:44,080 --> 00:01:48,000 And this is the incredible story of how they do it. 31 00:01:48,000 --> 00:01:50,280 Welcome to Inside The Factory. 32 00:02:09,360 --> 00:02:12,000 This is the Heinz factory in Wigan. 33 00:02:12,000 --> 00:02:15,480 It works around the clock with 1,200 staff 34 00:02:15,480 --> 00:02:18,200 to make 200 different products, 35 00:02:18,200 --> 00:02:25,920 including spaghetti, soup and its biggest seller - baked beans. 36 00:02:25,920 --> 00:02:29,840 They come in all sorts of varieties and containers, 37 00:02:29,840 --> 00:02:32,160 like plastic resealable jars 38 00:02:32,160 --> 00:02:35,920 and individual portion pots for the microwave. 39 00:02:35,920 --> 00:02:39,800 But tonight, we're making the traditional bestseller - 40 00:02:39,800 --> 00:02:41,480 baked beans in a can. 41 00:02:43,280 --> 00:02:44,440 Each bean will go on 42 00:02:44,440 --> 00:02:48,160 an incredible mile and a half journey through this factory... 43 00:02:49,720 --> 00:02:53,720 ..before they are packaged and ready to head to your local supermarket 44 00:02:53,720 --> 00:02:55,720 less than 24 hours later. 45 00:03:01,920 --> 00:03:04,240 The factory in Wigan is enormous... 46 00:03:05,240 --> 00:03:10,240 ..covering 54 acres, five times the size of Wembley Stadium. 47 00:03:12,120 --> 00:03:15,200 It's the largest food-processing plant in Europe... 48 00:03:17,280 --> 00:03:20,240 ..and the biggest baked bean factory on the planet. 49 00:03:21,840 --> 00:03:26,280 Bringing in the beans is ingredients inspector John Brady. 50 00:03:26,280 --> 00:03:28,720 Right, John, that's it, that's our load of beans, yeah? 51 00:03:28,720 --> 00:03:30,360 Yep. First one of the morning? 52 00:03:30,360 --> 00:03:31,680 Yep. Come on, then. 53 00:03:31,680 --> 00:03:33,840 Oi! How many of these come in every day? 54 00:03:33,840 --> 00:03:35,280 About 20. 55 00:03:35,280 --> 00:03:36,520 Right, I'll loop it back. 56 00:03:36,520 --> 00:03:39,160 Come on, then. Let's have a look at this. 57 00:03:39,160 --> 00:03:41,160 I did not expect that. 58 00:03:41,160 --> 00:03:43,040 I don't know why, I just didn't expect that. 59 00:03:43,040 --> 00:03:44,560 How many of those big bags on there? 60 00:03:44,560 --> 00:03:46,280 Ten in total, two tonne in weight. 61 00:03:46,280 --> 00:03:48,600 Ten two-tonne bags of beans! 62 00:03:49,800 --> 00:03:50,960 Driver, we're ready. 63 00:03:56,400 --> 00:04:01,040 Overseeing the arrival of the beans is operations manager Gary Dent. 64 00:04:02,360 --> 00:04:06,880 We typically take in 12 to 14 containers a day. 65 00:04:06,880 --> 00:04:09,200 We'll do 50,000 tonne a year, 66 00:04:09,200 --> 00:04:10,720 but when you consider we'll make 67 00:04:10,720 --> 00:04:13,240 over three million cans of beans a day, 68 00:04:13,240 --> 00:04:15,080 that's why we need so many beans. 69 00:04:15,080 --> 00:04:17,200 Three million cans of beans a day? Oh, yeah, easy. 70 00:04:17,200 --> 00:04:20,480 Yeah. Three million cans of beans rolling out of here? Yes. 71 00:04:20,480 --> 00:04:23,600 Forgive me, but what bean is in a tin of beans? 72 00:04:23,600 --> 00:04:26,280 That's them, Gregg. They're haricot beans. 73 00:04:26,280 --> 00:04:29,680 I really love it that we eat so many of these, 74 00:04:29,680 --> 00:04:31,320 yet we probably don't know their name. 75 00:04:31,320 --> 00:04:33,080 We probably don't know what they are! 76 00:04:33,080 --> 00:04:34,560 No, these are haricot beans. 77 00:04:35,760 --> 00:04:38,120 Haricot beans start life in a pod. 78 00:04:39,560 --> 00:04:43,320 They're grown throughout the summer months and left to dry on the plant. 79 00:04:44,280 --> 00:04:47,000 The beans I'm following come from North America, 80 00:04:47,000 --> 00:04:50,000 where the climate provides the perfect growing conditions. 81 00:04:51,680 --> 00:04:54,560 Every week, 1,000 tonnes of beans 82 00:04:54,560 --> 00:04:57,880 are loaded into containers and shipped to the Port of Liverpool. 83 00:04:59,080 --> 00:05:02,520 Then they're trucked the final 20 miles here to the factory. 84 00:05:08,760 --> 00:05:10,440 So, these little things. 85 00:05:10,440 --> 00:05:15,040 Yep. How long, roughly, before they become a tin of beans? 86 00:05:15,040 --> 00:05:18,760 You could see a finished tin of beans within two hours. 87 00:05:18,760 --> 00:05:21,280 I suppose it is possible for me to see every single stage 88 00:05:21,280 --> 00:05:23,800 of this process, isn't it? It certainly is, Gregg. 89 00:05:23,800 --> 00:05:26,320 And maybe taste a few at the end? Oh, without doubt. 90 00:05:28,120 --> 00:05:31,280 The bags of beans are brought out of their shipping containers 91 00:05:31,280 --> 00:05:33,800 and into the factory at bean intake. 92 00:05:35,880 --> 00:05:39,760 This is where the baked bean production line begins. 93 00:05:39,760 --> 00:05:44,760 In just 24 hours, these beans could be in a can on a supermarket shelf. 94 00:05:46,640 --> 00:05:50,560 Each two-tonne bag is carefully positioned above a funnel. 95 00:05:50,560 --> 00:05:51,760 When the bag is opened, 96 00:05:51,760 --> 00:05:54,280 the beans drop onto an enclosed conveyor 97 00:05:54,280 --> 00:05:58,080 that takes them to the first stage of processing. 98 00:05:58,080 --> 00:05:59,360 Could I have a go at that? 99 00:05:59,360 --> 00:06:00,400 Certainly. 100 00:06:01,360 --> 00:06:05,480 Don't go anywhere, Gary, cos if it falls over, I'm blaming you. 101 00:06:05,480 --> 00:06:09,800 Each bag contains 9.5 million individual beans, 102 00:06:09,800 --> 00:06:12,960 enough to fill more than 20,000 cans. 103 00:06:14,680 --> 00:06:16,720 That's a lot of beans to drop, Gregg. 104 00:06:16,720 --> 00:06:18,360 Whoa! 105 00:06:20,760 --> 00:06:22,240 That was a bit tense, that, Gary. 106 00:06:22,240 --> 00:06:23,960 Yep. Right, now pull that. 107 00:06:26,480 --> 00:06:29,400 There they go. Yeah! 108 00:06:32,560 --> 00:06:35,560 My dry beans are travelling to the blanching room, 109 00:06:35,560 --> 00:06:38,960 which is 200m away from the intake area 110 00:06:38,960 --> 00:06:42,240 to prevent contamination from the outside world. 111 00:06:42,240 --> 00:06:46,160 They move at 5mph on an enclosed conveyor 112 00:06:46,160 --> 00:06:49,200 and it takes five minutes for the first beans to arrive. 113 00:06:50,480 --> 00:06:52,680 Here, they'll be rehydrated. 114 00:06:53,720 --> 00:06:58,640 OK, Gregg, we're now going to see how we rehydrate our dry beans. 115 00:06:58,640 --> 00:07:03,520 What we've got here is the dry beans that you loaded up for us 116 00:07:03,520 --> 00:07:04,600 about five minutes ago. 117 00:07:04,600 --> 00:07:06,760 They've now reached the blancher 118 00:07:06,760 --> 00:07:09,760 and this is where we put the water back into that dry bean. 119 00:07:12,080 --> 00:07:13,360 In the blanching process, 120 00:07:13,360 --> 00:07:18,240 they pass through two 85-degree Celsius steam-heated chambers, 121 00:07:18,240 --> 00:07:21,280 each soaking the beans for ten minutes. 122 00:07:21,280 --> 00:07:24,280 Time and temperature are key in the rehydration process. 123 00:07:24,280 --> 00:07:27,800 You're not boiling them up to cook them. No. You're putting water in for 20 minutes, 124 00:07:27,800 --> 00:07:31,120 85 degrees to get moisture back in. 125 00:07:31,120 --> 00:07:32,440 Exactly. Hydrate. 126 00:07:32,440 --> 00:07:34,080 Rehydrate. Exactly that. 127 00:07:35,520 --> 00:07:39,360 Blanching in steam quickly softens the outside of the dry bean 128 00:07:39,360 --> 00:07:41,880 and lets in water. 129 00:07:41,880 --> 00:07:44,040 Over about a 25-minute period, 130 00:07:44,040 --> 00:07:48,560 these will have taken up around about 65% more water. 131 00:07:48,560 --> 00:07:50,880 That's the before and after. 132 00:07:50,880 --> 00:07:53,280 They've swollen up incredibly. 133 00:07:53,280 --> 00:07:54,880 Yep. But not cooked. 134 00:07:54,880 --> 00:07:56,800 Not cooked. If you want to try one, you can, 135 00:07:56,800 --> 00:07:59,400 but they're certainly not cooked. 136 00:07:59,400 --> 00:08:00,600 It's just got a bit of give, 137 00:08:00,600 --> 00:08:05,920 but in the middle, it's as hard as, like, an uncooked risotto. Yeah. 138 00:08:05,920 --> 00:08:08,160 I quite like them. You got any salt? 139 00:08:09,600 --> 00:08:12,480 The rehydrated beans are washed in warm water 140 00:08:12,480 --> 00:08:15,040 to get rid of any loose skins. 141 00:08:15,040 --> 00:08:20,560 Finally, the laser sorter actually detects any discoloured beans 142 00:08:20,560 --> 00:08:23,520 and rejects them with an air jet. 143 00:08:23,520 --> 00:08:25,960 HE LAUGHS Honestly, yeah. Really? 144 00:08:25,960 --> 00:08:27,600 Yes. Really? 145 00:08:27,600 --> 00:08:28,720 OK, go on, then. 146 00:08:28,720 --> 00:08:33,040 20 years ago, there would be people flicking the beans off with spoons, 147 00:08:33,040 --> 00:08:34,840 but now we use the laser sorter. 148 00:08:40,240 --> 00:08:44,040 There are two lasers - one above and one below the beans - 149 00:08:44,040 --> 00:08:46,040 that examine them from every angle. 150 00:08:48,120 --> 00:08:50,560 A laser spots a discoloured bean 151 00:08:50,560 --> 00:08:54,480 and fires an air jet that knocks it off the production line. 152 00:08:56,240 --> 00:08:58,600 The puffing noise that you hear is the gun firing 153 00:08:58,600 --> 00:09:00,400 and knocking the beans off. 154 00:09:00,400 --> 00:09:05,280 Every one of those little clicks is a jet of air and a bean dying. 155 00:09:05,280 --> 00:09:07,000 It's BEAN rejected. 156 00:09:07,000 --> 00:09:09,240 A has-BEAN! A has-BEAN, very good. 157 00:09:10,360 --> 00:09:12,480 So, when I open a tin of beans, 158 00:09:12,480 --> 00:09:15,920 this laser has had a look at the bean that I'm going to eat. 159 00:09:15,920 --> 00:09:17,240 Absolutely. Yep. 160 00:09:19,360 --> 00:09:20,960 Within the next couple of hours, 161 00:09:20,960 --> 00:09:24,160 these will be in a can, ready to head to a supermarket. 162 00:09:25,440 --> 00:09:27,200 And while I follow the beans, 163 00:09:27,200 --> 00:09:29,920 Cherry is looking at the other essential element 164 00:09:29,920 --> 00:09:32,400 in a can of baked beans - the can itself. 165 00:09:37,040 --> 00:09:38,080 Mmm! 166 00:09:39,120 --> 00:09:44,320 This tin of baked beans is about to go on an incredible journey. 167 00:09:44,320 --> 00:09:46,440 Not the beans - I've just finished those - 168 00:09:46,440 --> 00:09:51,120 but the tin itself will go through an extraordinary process 169 00:09:51,120 --> 00:09:54,400 to end up back in someone else's cupboard. 170 00:09:54,400 --> 00:09:58,200 It all begins the moment you throw it in the recycling bin. 171 00:10:01,320 --> 00:10:02,360 Did I just get that in? 172 00:10:03,360 --> 00:10:08,080 In most major cities, you can throw all of your recycling into one bag, 173 00:10:08,080 --> 00:10:11,680 but how is it all sorted to make sure that my tin can 174 00:10:11,680 --> 00:10:13,680 ends up in the right place? 175 00:10:13,680 --> 00:10:19,720 You do it with one of these - what's lovingly known as the murf - 176 00:10:19,720 --> 00:10:22,280 materials recovery facility. 177 00:10:22,280 --> 00:10:28,440 And it's one of the largest of its kind in the world. 178 00:10:28,440 --> 00:10:31,040 At this recycling centre in east London, 179 00:10:31,040 --> 00:10:36,280 their murf sorts 520 truckloads every week. 180 00:10:36,280 --> 00:10:39,720 My guide through it all is David Rumble. 181 00:10:39,720 --> 00:10:42,880 Wow! That is a monster machine. 182 00:10:42,880 --> 00:10:45,800 It looks like teeth grinding everything. 183 00:10:45,800 --> 00:10:47,560 What is this actually doing? 184 00:10:47,560 --> 00:10:53,440 Well, this is actually separating out into three different sizes - 185 00:10:53,440 --> 00:10:56,200 very big, which just rolls over the top, 186 00:10:56,200 --> 00:10:59,400 medium size, which is where a steel can goes. 187 00:10:59,400 --> 00:11:04,520 and then very small, which is broken glass and shredded paper. 188 00:11:05,720 --> 00:11:07,600 There goes your can, you can see it there. 189 00:11:07,600 --> 00:11:08,840 There it is, there it is. 190 00:11:08,840 --> 00:11:11,640 Once it's all separated into different sizes, 191 00:11:11,640 --> 00:11:14,080 it moves on to be sorted by shape. 192 00:11:15,560 --> 00:11:17,880 Flat objects like paper and cardboard 193 00:11:17,880 --> 00:11:19,800 travel along the top of the wheels. 194 00:11:20,960 --> 00:11:22,960 While the rest, including my can, 195 00:11:22,960 --> 00:11:25,360 drop through and are collected at the bottom. 196 00:11:26,600 --> 00:11:28,760 So, it's a matter of surface area? 197 00:11:28,760 --> 00:11:29,920 Absolutely, yes. 198 00:11:29,920 --> 00:11:31,400 Surface area and physics. 199 00:11:33,040 --> 00:11:36,040 Now that it's been sorted by size and shape, 200 00:11:36,040 --> 00:11:39,440 it needs some hi-tech equipment to separate it further. 201 00:11:41,000 --> 00:11:44,760 This is the near infrared optical separator 202 00:11:44,760 --> 00:11:49,920 and what this is doing is taking plastic off of the belt, 203 00:11:49,920 --> 00:11:53,360 so we're actually pulling out EET, 204 00:11:53,360 --> 00:11:56,480 which is the clear plastic drinks bottles. 205 00:11:56,480 --> 00:12:00,960 A sensor in the separator detects how much light is passing through 206 00:12:00,960 --> 00:12:04,040 or reflecting off the different materials 207 00:12:04,040 --> 00:12:06,240 so it can spot the clear plastic bottles 208 00:12:06,240 --> 00:12:08,760 and they get blown off the belt. 209 00:12:08,760 --> 00:12:12,800 Can it really be that detailed that it can see an individual bottle? 210 00:12:12,800 --> 00:12:13,840 Absolutely. 211 00:12:14,960 --> 00:12:17,600 Finally, my steel can is picked up 212 00:12:17,600 --> 00:12:20,800 and separated from the aluminium drinks cans. 213 00:12:20,800 --> 00:12:25,600 This is an electromagnet that'll lift the can off of the belt, 214 00:12:25,600 --> 00:12:28,640 move it over above a bin and then drop it off. 215 00:12:28,640 --> 00:12:32,920 So, once the tin has been dropped by the magnet, where does it go then? 216 00:12:32,920 --> 00:12:34,960 It goes to the baler, 217 00:12:34,960 --> 00:12:38,560 where we make it into a big square bale of ferrous metal. 218 00:12:39,920 --> 00:12:44,000 The baling machine crushes up to 40,000 tin cans 219 00:12:44,000 --> 00:12:47,520 into one single cube, each weighing one tonne. 220 00:12:49,240 --> 00:12:51,960 This one includes my can. 221 00:12:51,960 --> 00:12:55,920 I'm now going to take this lot off to one of the largest steelworks 222 00:12:55,920 --> 00:12:59,200 in the UK for a bit of a rough time. 223 00:13:06,880 --> 00:13:11,040 Back at the factory, it's been 25 minutes since my dried beans arrived 224 00:13:11,040 --> 00:13:13,160 and now they've been rehydrated. 225 00:13:14,600 --> 00:13:18,880 To make baked beans, every manufacturer uses haricot beans, 226 00:13:18,880 --> 00:13:22,240 but they all create their own particular tomato sauce. 227 00:13:24,680 --> 00:13:27,840 Here at Heinz, their special ingredients are prepared 228 00:13:27,840 --> 00:13:29,600 in the spice-mixing area. 229 00:13:32,560 --> 00:13:35,200 The recipe is classified information, 230 00:13:35,200 --> 00:13:37,040 and making sure it stays that way 231 00:13:37,040 --> 00:13:40,480 is manufacturing coordinator Paul Sherrington. 232 00:13:40,480 --> 00:13:45,120 This is where we make up the secret spices what makes the beans famous. 233 00:13:45,120 --> 00:13:47,680 What do you mean "the secret spices"? A secret no-one knows. 234 00:13:47,680 --> 00:13:50,000 Only two people in the world know about these spices. 235 00:13:50,000 --> 00:13:52,920 Who do you think you are, James Bond? Yes. Mate, get out of it! 236 00:13:54,360 --> 00:13:57,680 The ingredients are listed on the label of a can of beans, 237 00:13:57,680 --> 00:14:00,520 but because no recipe can be copyrighted, 238 00:14:00,520 --> 00:14:03,920 the exact proportions they use are a trade secret 239 00:14:03,920 --> 00:14:07,960 known only by the head buyer and the chief quality officer. 240 00:14:08,960 --> 00:14:13,480 The secret spice recipe has stayed the same since 1896... 241 00:14:14,520 --> 00:14:18,720 ..and is delivered to the factory as three anonymous powder mixes. 242 00:14:18,720 --> 00:14:20,640 What are they? I don't know. 243 00:14:21,640 --> 00:14:24,280 You honestly don't know what they are? Honestly, I don't know. 244 00:14:24,280 --> 00:14:26,280 I can taste these, though, can't I, cos I... 245 00:14:26,280 --> 00:14:29,280 Indeed, yes. ..I might be able to work out what's in it? 246 00:14:29,280 --> 00:14:32,080 But if you do, then we'll have to kill you. 247 00:14:32,080 --> 00:14:34,960 Surely working out what's in the three different mixes 248 00:14:34,960 --> 00:14:37,000 shouldn't be too hard. 249 00:14:37,000 --> 00:14:38,040 Oh! 250 00:14:39,360 --> 00:14:41,800 They're so strong. 251 00:14:41,800 --> 00:14:43,120 You've got a saucy one... 252 00:14:44,120 --> 00:14:45,920 ..a peppered chilli one 253 00:14:45,920 --> 00:14:48,920 and a sweet, garlicky one. 254 00:14:48,920 --> 00:14:50,720 Do you know what I conclude from that? 255 00:14:52,040 --> 00:14:53,080 I haven't got a clue. 256 00:14:53,080 --> 00:14:55,960 HE LAUGHS Nice one! 257 00:14:55,960 --> 00:14:58,240 Paul doesn't know the exact ingredients, 258 00:14:58,240 --> 00:15:01,320 but he does know how much of each mix to measure out 259 00:15:01,320 --> 00:15:03,480 for our bag of spices. 260 00:15:03,480 --> 00:15:05,920 What quantity of tomato are we going to add this to? 261 00:15:05,920 --> 00:15:09,840 We're going to add to a batch which is five tonne in weight. 262 00:15:09,840 --> 00:15:13,880 And how many tins will that make, roughly? Approximately 20,000. 263 00:15:13,880 --> 00:15:16,400 20,000 from this little bag? Yes. 264 00:15:16,400 --> 00:15:18,000 No wonder my lips were tingling. 265 00:15:19,720 --> 00:15:23,920 I'm taking my bag of secret spices next door to the sauce room... 266 00:15:25,240 --> 00:15:29,800 ..where sauce operator Peter Foster is ready to mix up a batch. 267 00:15:29,800 --> 00:15:32,240 Hello, mate. Hello, mate. 268 00:15:32,240 --> 00:15:33,640 I've got some spice. 269 00:15:33,640 --> 00:15:34,680 Right. 270 00:15:35,640 --> 00:15:36,960 What is this room? 271 00:15:36,960 --> 00:15:38,440 It's the sauce room. 272 00:15:38,440 --> 00:15:39,680 You control the spice. 273 00:15:39,680 --> 00:15:43,080 I control the pump, the water, boilers. 274 00:15:43,080 --> 00:15:45,200 You're the chef. 275 00:15:45,200 --> 00:15:47,400 Well, you could say so. 276 00:15:47,400 --> 00:15:50,920 Peter is in charge of eight mixing bowls, 277 00:15:50,920 --> 00:15:55,000 each one holding enough sauce for 20,000 tins of beans. 278 00:15:55,000 --> 00:15:58,760 You are mixing and cooking the tomatoes, the water, 279 00:15:58,760 --> 00:16:01,400 the starch, the sugar. Yep. 280 00:16:01,400 --> 00:16:03,440 And the secret ingredient. Yes, that's the one. 281 00:16:03,440 --> 00:16:05,040 Do you know what the ingredients are? 282 00:16:05,040 --> 00:16:06,360 No. 283 00:16:06,360 --> 00:16:09,360 Mate, do you? Believe me, there's only two people who know. 284 00:16:09,360 --> 00:16:11,880 So I've heard. 285 00:16:11,880 --> 00:16:16,880 Now for the tomato puree, which comes in one-tonne bags. 286 00:16:16,880 --> 00:16:20,320 Two rollers squeeze out every drop of the puree, 287 00:16:20,320 --> 00:16:24,120 which has been made from Californian tomatoes that have been cooked, 288 00:16:24,120 --> 00:16:27,080 blended and sieved to remove the seeds. 289 00:16:30,520 --> 00:16:33,560 It's then pumped through pipes into the kitchen. 290 00:16:35,400 --> 00:16:37,200 There's your tomato pulp. Oh! 291 00:16:39,600 --> 00:16:42,280 Then, I add my bag of spices. 292 00:16:42,280 --> 00:16:44,600 This is just like adding a stock cube at home. 293 00:16:45,840 --> 00:16:49,600 With the press of a button, Peter adds starch to thicken the sauce. 294 00:16:50,720 --> 00:16:54,160 The sugar and salt are blown through pipes into the mixer. 295 00:16:55,320 --> 00:17:01,120 Each 415g can contains just under five teaspoons of sugar 296 00:17:01,120 --> 00:17:03,440 and almost half a teaspoon of salt. 297 00:17:04,640 --> 00:17:07,320 Then some vinegar, but they won't tell me how much - 298 00:17:07,320 --> 00:17:08,400 it's a secret. 299 00:17:09,880 --> 00:17:14,160 And finally, it's all blended in the giant food-mixer. 300 00:17:14,160 --> 00:17:16,840 Don't you think it might be a little bit too technical 301 00:17:16,840 --> 00:17:19,520 for an old-fashioned tin of beans? 302 00:17:19,520 --> 00:17:21,800 We make the best beans so that's what we do. 303 00:17:22,840 --> 00:17:25,240 After 15 minutes, the sauce is ready. 304 00:17:29,400 --> 00:17:30,640 That's a tin of beans, innit? 305 00:17:30,640 --> 00:17:31,760 It's a tin of beans. 306 00:17:33,000 --> 00:17:36,680 Our tomato sauce is on its way to get mixed with the beans. 307 00:17:36,680 --> 00:17:39,400 Next, we're going to need some cans. 308 00:17:39,400 --> 00:17:42,840 They can make up to four million baked bean cans 309 00:17:42,840 --> 00:17:44,320 in this factory every day, 310 00:17:44,320 --> 00:17:46,800 and, for that, you need a lot of steel. 311 00:17:50,720 --> 00:17:54,400 I followed my old tin can from the recycling plant 312 00:17:54,400 --> 00:17:57,120 to Tata Steel in Port Talbot, Wales. 313 00:17:58,640 --> 00:18:02,080 This is the largest steelworks in the UK, 314 00:18:02,080 --> 00:18:06,720 which recently hit the headlines when its future came under threat. 315 00:18:06,720 --> 00:18:11,800 In six hours, my can will be part of a brand-new sheet of steel. 316 00:18:19,200 --> 00:18:23,880 Here, scrap metal makes up about a quarter of the finished steel, 317 00:18:23,880 --> 00:18:30,880 and so my old recycled tin can is about to be combined with this - 318 00:18:30,880 --> 00:18:32,560 raw iron ore. 319 00:18:33,720 --> 00:18:37,120 It's been mined from rocks as far away as Australia. 320 00:18:39,280 --> 00:18:43,760 To make steel, the iron ore is tipped into a blast furnace, 321 00:18:43,760 --> 00:18:46,840 mixed with a type of coal called coke 322 00:18:46,840 --> 00:18:50,400 and heated to over 2,000 degrees. 323 00:18:50,400 --> 00:18:53,640 The result is almost pure molten iron, 324 00:18:53,640 --> 00:18:58,040 which is poured into brick-lined steel vessels called torpedoes 325 00:18:58,040 --> 00:19:01,640 and shunted across the yard to the most incredible place 326 00:19:01,640 --> 00:19:03,160 I've ever set foot in. 327 00:19:07,600 --> 00:19:08,640 Whoa! 328 00:19:10,440 --> 00:19:14,880 That is absolutely unbelievable! 329 00:19:16,240 --> 00:19:20,000 Here, my tin can, along with the rest of the scrap metal, 330 00:19:20,000 --> 00:19:22,400 is being loaded into a huge skip. 331 00:19:24,080 --> 00:19:27,160 Tim Rutter talks me through the process. 332 00:19:27,160 --> 00:19:28,520 Two things are going to happen - 333 00:19:28,520 --> 00:19:31,000 firstly, the scrap metal is going to come along 334 00:19:31,000 --> 00:19:32,720 and be charged into the mouth. 335 00:19:32,720 --> 00:19:35,160 Which is there. Which is coming down the bay as we speak. 336 00:19:35,160 --> 00:19:37,720 So, that's scrap metal and how much scrap metal is in there? 337 00:19:37,720 --> 00:19:40,680 There's anything between 50 and 100 tonnes of scrap metal, 338 00:19:40,680 --> 00:19:44,080 maybe the equivalent of up to two million steels cans 339 00:19:44,080 --> 00:19:47,080 will be in that charging vessel. Whoa, so my tin can 340 00:19:47,080 --> 00:19:48,960 could potentially be in there, 341 00:19:48,960 --> 00:19:54,360 and that scrap metal is going to go into the mouth of the cauldron. 342 00:19:54,360 --> 00:19:56,440 And what is over there? 343 00:19:56,440 --> 00:19:59,200 Here you can see the ladle full of molten iron. 344 00:19:59,200 --> 00:20:02,600 So, we've just come from the blast furnace where that's been made. 345 00:20:02,600 --> 00:20:06,000 It's now in a ladle and that's ready to charge on top of the scrap 346 00:20:06,000 --> 00:20:07,640 in the steel-making vessel. 347 00:20:08,960 --> 00:20:13,320 From behind the safety of a concrete wall, we can watch the action. 348 00:20:15,160 --> 00:20:19,200 First, the scrap metal is tipped into the 12m-high cauldron. 349 00:20:28,080 --> 00:20:30,320 The whole building is shaking. 350 00:20:33,040 --> 00:20:37,480 Then, 300 tonnes of molten iron is poured on top. 351 00:20:39,680 --> 00:20:40,920 Wow! 352 00:20:43,440 --> 00:20:48,440 Finally, pure oxygen is pumped in at supersonic speed. 353 00:20:50,920 --> 00:20:57,320 The powerful reaction causes the mixture to heat up to 1,700 degrees. 354 00:20:57,320 --> 00:21:00,840 Carbon and other impurities turn into a gas, 355 00:21:00,840 --> 00:21:03,920 leaving behind the steel we need to make cans. 356 00:21:06,360 --> 00:21:11,120 How many tins of baked beans am I looking at right now? 357 00:21:11,120 --> 00:21:15,440 If you estimate that we're making about 320 tonnes of steel, 358 00:21:15,440 --> 00:21:18,960 then that maybe makes about, say, eight million cans. 359 00:21:18,960 --> 00:21:21,240 Eight million cans! 360 00:21:24,000 --> 00:21:27,560 The new steel is poured into a water-cooled mould 361 00:21:27,560 --> 00:21:30,760 to reduce the temperature to 900 degrees Celsius 362 00:21:30,760 --> 00:21:34,240 and turn it into a slab that weighs around 30 tonnes. 363 00:21:35,840 --> 00:21:41,520 God, it's so hot that bits of it are just falling off as it rolls away. 364 00:21:41,520 --> 00:21:45,440 That's absolutely amazing. 365 00:21:46,880 --> 00:21:50,120 Before the slab of steel can be made into a baked bean can, 366 00:21:50,120 --> 00:21:52,360 it needs to be a lot thinner, 367 00:21:52,360 --> 00:21:57,120 so it enters this kilometre and a half-long hall to be compressed. 368 00:21:59,880 --> 00:22:02,120 It passes through a series of rollers 369 00:22:02,120 --> 00:22:05,560 exerting almost 4,000 tonnes of force, 370 00:22:05,560 --> 00:22:07,880 which make it longer and thinner. 371 00:22:09,000 --> 00:22:12,480 Oh, wow! So it's being rolled up into a huge coil. 372 00:22:12,480 --> 00:22:16,640 You can really feel that intense heat. 373 00:22:16,640 --> 00:22:20,280 The steel is constantly cooled with water 374 00:22:20,280 --> 00:22:23,600 and it's at a temperature just low enough to hold its shape. 375 00:22:25,680 --> 00:22:29,960 A second set of rollers transforms the 60m-long coil 376 00:22:29,960 --> 00:22:33,240 into a kilometre-long length of sheet steel. 377 00:22:35,480 --> 00:22:39,480 That sheet steel is moving at an unbelievable speed. 378 00:22:39,480 --> 00:22:42,640 30 to 40mph. 379 00:22:42,640 --> 00:22:46,520 Five minutes later, the steel is coiled up for the last time. 380 00:22:50,720 --> 00:22:54,480 It starts off with a slab that's about ten metres long, 381 00:22:54,480 --> 00:22:58,560 and by the time we've squashed it down to 2mm-thick, 382 00:22:58,560 --> 00:23:01,480 that is about 1km of steel. 383 00:23:03,720 --> 00:23:07,920 Once it's rolled up into that amazingly neat roll, 384 00:23:07,920 --> 00:23:09,760 where does it go next? 385 00:23:09,760 --> 00:23:11,680 So, the next place for this coil to go 386 00:23:11,680 --> 00:23:13,640 will be our sister plant in Trostre, 387 00:23:13,640 --> 00:23:16,320 who's going to cold roll it to make it even thinner 388 00:23:16,320 --> 00:23:20,120 and coat it with tin before they pass it on to Heinz, our customer, 389 00:23:20,120 --> 00:23:21,560 to make baked bean cans. 390 00:23:21,560 --> 00:23:28,040 So, this product is still steel and, later on, it becomes a tin can. 391 00:23:28,040 --> 00:23:29,600 Well, people call it a tin can, 392 00:23:29,600 --> 00:23:33,760 but of course it's a steel can that's got a coating of tin on it. 393 00:23:33,760 --> 00:23:37,600 It seems unfair. I'll call it a steel can from now on. 394 00:23:37,600 --> 00:23:38,640 Excellent. 395 00:23:40,640 --> 00:23:43,560 Coating the steel can with tin creates a barrier 396 00:23:43,560 --> 00:23:48,040 to stop air, water and beans touching the surface of the steel. 397 00:23:49,520 --> 00:23:53,720 It prevents the can from rusting and will protect the beans inside. 398 00:23:56,480 --> 00:23:59,320 Finally, the coated steel is cut into sheets 399 00:23:59,320 --> 00:24:01,960 and trucked off to the factory in Wigan, 400 00:24:01,960 --> 00:24:06,720 where it could find its way to your kitchen cupboard within a few days. 401 00:24:06,720 --> 00:24:10,360 So, next time you open your tin of beans, 402 00:24:10,360 --> 00:24:14,560 spare a thought for the unbelievable engineering 403 00:24:14,560 --> 00:24:16,560 that's gone into making it. 404 00:24:23,720 --> 00:24:24,840 Back at the factory, 405 00:24:24,840 --> 00:24:29,480 it's been 45 minutes since my dried haricot beans arrived. 406 00:24:29,480 --> 00:24:32,480 They've been blanched to rehydrate them 407 00:24:32,480 --> 00:24:35,080 and my tomato sauce has been mixed. 408 00:24:36,080 --> 00:24:38,240 Now I need something to put it all in. 409 00:24:40,240 --> 00:24:43,520 Heinz have their own can-making factory here on-site. 410 00:24:45,800 --> 00:24:49,920 Every day, 168 tonnes of steel arrives, 411 00:24:49,920 --> 00:24:52,720 enough to make more than five million cans. 412 00:24:55,080 --> 00:24:58,600 The engineer in charge is Darren Maloney. 413 00:24:58,600 --> 00:25:02,520 This is the steel that Cherry sent over. 414 00:25:02,520 --> 00:25:07,520 Yeah. I want to see how we make this into cans for baked beans. 415 00:25:07,520 --> 00:25:08,640 That's fine. 416 00:25:08,640 --> 00:25:11,400 Well, we buy the sheet steel in one-metre-square sheets, 417 00:25:11,400 --> 00:25:13,120 approximately. 418 00:25:13,120 --> 00:25:17,400 The sheets of steel are fed into a machine that cuts them into strips. 419 00:25:19,240 --> 00:25:21,640 So, we slit it that way into long strips. 420 00:25:23,960 --> 00:25:27,680 Then we slit it this way into the final blank. 421 00:25:27,680 --> 00:25:30,800 Wow! It's now cut into 16 of those. 422 00:25:30,800 --> 00:25:32,400 How many tins will that now make? 423 00:25:32,400 --> 00:25:33,440 Two. 424 00:25:35,160 --> 00:25:37,000 The transfer system collects them 425 00:25:37,000 --> 00:25:38,800 and takes them to the welding machine. 426 00:25:38,800 --> 00:25:40,680 It's taking about 100 at once. 427 00:25:40,680 --> 00:25:42,080 It's taking more than 100. 428 00:25:42,080 --> 00:25:43,960 It's taking 240 at a time. 429 00:25:45,360 --> 00:25:49,200 It's like one of those funfair games where you have to grab the toy. 430 00:25:49,200 --> 00:25:50,840 In a fraction of a second, 431 00:25:50,840 --> 00:25:54,240 each steel strip is bent round to form a cylinder 432 00:25:54,240 --> 00:25:57,200 with the edges overlapping by just half a millimetre. 433 00:25:58,600 --> 00:26:01,000 In a process called resistance welding, 434 00:26:01,000 --> 00:26:03,600 two electrodes heat up the steel edges, 435 00:26:03,600 --> 00:26:06,360 melting them and joining them together. 436 00:26:06,360 --> 00:26:09,240 Heats it up, sticks it together. Yes. 437 00:26:09,240 --> 00:26:11,520 It's now the right shape for a can, 438 00:26:11,520 --> 00:26:14,280 but it's big enough to make two, 439 00:26:14,280 --> 00:26:17,080 so the cylinders travel across the room on conveyors 440 00:26:17,080 --> 00:26:21,000 and into a machine which finally turns it into a can. 441 00:26:21,000 --> 00:26:23,840 Well, this part of the kit rotates. 442 00:26:23,840 --> 00:26:27,520 It basically splits it in two. 443 00:26:27,520 --> 00:26:29,600 Does it go like that? 444 00:26:29,600 --> 00:26:31,000 Yes. 445 00:26:31,000 --> 00:26:32,040 Rips it in half. 446 00:26:36,160 --> 00:26:39,320 That doesn't seem anywhere as strong as a finished tin can. 447 00:26:39,320 --> 00:26:41,640 I mean, I can't do that with my can of beans. 448 00:26:41,640 --> 00:26:44,920 We put the ripples on the can to make the can strong. 449 00:26:44,920 --> 00:26:48,160 If we didn't do that, you'd end up where the cans would just squash. 450 00:26:48,160 --> 00:26:50,320 The ripples give it the strength. 451 00:26:50,320 --> 00:26:53,640 So, the next machine rotates the can around a mould 452 00:26:53,640 --> 00:26:55,560 that creates ripples on its body. 453 00:26:57,280 --> 00:26:59,400 These help to keep the can rigid 454 00:26:59,400 --> 00:27:02,760 to prevent it collapsing under pressure. 455 00:27:02,760 --> 00:27:04,400 You can feel the difference. 456 00:27:04,400 --> 00:27:06,240 Yeah, that's sturdy. 457 00:27:06,240 --> 00:27:09,320 That's quite incredible. That is simply that with ripples in it. 458 00:27:09,320 --> 00:27:12,120 Yes. But actually when you transport them, 459 00:27:12,120 --> 00:27:14,760 you can transport them over ten feet high, 460 00:27:14,760 --> 00:27:16,960 so the cans at the bottom are supporting the weight 461 00:27:16,960 --> 00:27:18,320 of all the other cans. 462 00:27:18,320 --> 00:27:20,760 Yes. That is mega-strong. 463 00:27:20,760 --> 00:27:23,280 And then over there it's putting the tops on. 464 00:27:23,280 --> 00:27:26,560 Yeah. It's putting the tops on on the bottom of the can. 465 00:27:26,560 --> 00:27:30,360 Circular steel can-ends arrive at the factory ready-made. 466 00:27:31,840 --> 00:27:34,520 They're dropped on top of one end of the can 467 00:27:34,520 --> 00:27:37,760 and the edges are folded over to make a seal. 468 00:27:37,760 --> 00:27:40,480 This happens over 1,000 times a minute. 469 00:27:41,640 --> 00:27:43,960 And now they're off on their way to be filled. 470 00:27:45,760 --> 00:27:49,000 Quick and easy canned food is one of the most popular items 471 00:27:49,000 --> 00:27:50,400 on our shopping list. 472 00:27:50,400 --> 00:27:52,160 The average household in Britain 473 00:27:52,160 --> 00:27:55,080 gets through more than ten cans a week, 474 00:27:55,080 --> 00:27:57,320 but, as Ruth Goodman explains, 475 00:27:57,320 --> 00:27:59,240 when the tin can was first invented, 476 00:27:59,240 --> 00:28:01,200 it wasn't for the sake of convenience. 477 00:28:01,200 --> 00:28:02,560 It was to save lives. 478 00:28:04,960 --> 00:28:06,560 In the early 19th century, 479 00:28:06,560 --> 00:28:10,720 food preservation was a matter of life and death. 480 00:28:12,400 --> 00:28:14,000 For all of the military might 481 00:28:14,000 --> 00:28:17,000 of both the British and the French navies, 482 00:28:17,000 --> 00:28:22,080 the question of food was playing on the minds of the warring admirals. 483 00:28:22,080 --> 00:28:26,200 Malnutrition had killed more than half of the British seamen 484 00:28:26,200 --> 00:28:31,120 in the previous Seven Years' War, so solving this problem was imperative. 485 00:28:33,800 --> 00:28:36,840 To find out what was going wrong with the naval diet, 486 00:28:36,840 --> 00:28:40,320 I'm aboard the Gannet, a Victorian naval ship, 487 00:28:40,320 --> 00:28:42,600 to meet historian Alex Patterson. 488 00:28:43,760 --> 00:28:45,480 Could you tell me, why on earth 489 00:28:45,480 --> 00:28:47,400 were all those men suffering malnutrition? 490 00:28:47,400 --> 00:28:50,440 I mean, surely they loaded the ships up with supplies before they left. 491 00:28:50,440 --> 00:28:53,840 Fresh food stocks would spoil very quickly 492 00:28:53,840 --> 00:28:56,680 so you were left with the bare bones, 493 00:28:56,680 --> 00:28:58,440 which was the dried food products. 494 00:28:58,440 --> 00:29:01,320 Dried food products didn't have that much nutrition in them. 495 00:29:01,320 --> 00:29:03,240 Coupled with lack of fresh water, 496 00:29:03,240 --> 00:29:05,800 the men weren't getting what they needed. 497 00:29:05,800 --> 00:29:10,160 It wasn't a great diet to be at sea four, five months at a time. 498 00:29:10,160 --> 00:29:13,480 Away, without vitamin C for months, 499 00:29:13,480 --> 00:29:16,280 the sailors were prone to diseases like scurvy, 500 00:29:16,280 --> 00:29:20,880 suffering muscle and joint pain, red rashes and swelling gums. 501 00:29:20,880 --> 00:29:23,080 Do you think they were actually going hungry 502 00:29:23,080 --> 00:29:26,400 or is it the quality of the nutrition that's the problem? 503 00:29:26,400 --> 00:29:28,320 Potentially, a bit of both, actually. 504 00:29:28,320 --> 00:29:30,880 The quality of the nutrition wasn't great, we know that, 505 00:29:30,880 --> 00:29:33,840 and if food spoiled quicker than they could have controlled it, 506 00:29:33,840 --> 00:29:35,840 they would've had to lessen the rations. 507 00:29:35,840 --> 00:29:40,320 To be able to feed 400 to 800 men on board was a huge feat 508 00:29:40,320 --> 00:29:42,000 that the navy really struggled with. 509 00:29:44,480 --> 00:29:48,120 Across the Channel, the French navy faced the same problem. 510 00:29:48,120 --> 00:29:52,640 In 1795, they offered a cash prize to the first person 511 00:29:52,640 --> 00:29:55,440 to find a new method of food preservation. 512 00:29:57,280 --> 00:29:59,640 The winner was Nicolas Appert. 513 00:29:59,640 --> 00:30:03,360 He found that by heating food inside glass bottles 514 00:30:03,360 --> 00:30:07,160 and sealing them up with a plug of cream cheese and slaked lime, 515 00:30:07,160 --> 00:30:10,320 he could preserve food almost indefinitely. 516 00:30:12,560 --> 00:30:14,800 The British quickly jumped on the bandwagon, 517 00:30:14,800 --> 00:30:17,200 coming up with their own version. 518 00:30:17,200 --> 00:30:19,280 Looking for a less fragile material, 519 00:30:19,280 --> 00:30:23,040 they turned to their already established industry, tin plate. 520 00:30:24,400 --> 00:30:27,480 Author John Nutting has made a replica of their solution. 521 00:30:29,720 --> 00:30:31,480 Hello, Ruth, how are you? I'm good. 522 00:30:31,480 --> 00:30:33,200 Is this a can? 523 00:30:33,200 --> 00:30:34,720 This is a replica of a can 524 00:30:34,720 --> 00:30:37,840 that would have been made from about 1813. 525 00:30:37,840 --> 00:30:39,720 What is it made out of? This is tin plate. 526 00:30:39,720 --> 00:30:40,960 Does that mean pure tin? 527 00:30:40,960 --> 00:30:44,680 This is steel which has been coated in tin. 528 00:30:44,680 --> 00:30:47,160 Why change from glass bottles to tin cans? 529 00:30:47,160 --> 00:30:48,920 Well, glass bottles were fragile, 530 00:30:48,920 --> 00:30:51,240 so you didn't want really to have to use something 531 00:30:51,240 --> 00:30:54,680 which was not particularly good at resisting knocks and bashes 532 00:30:54,680 --> 00:30:56,520 and all the sort of things that would happen 533 00:30:56,520 --> 00:30:59,160 to preserved foods on ships. 534 00:30:59,160 --> 00:31:02,920 The innovator who made the first successful tin cans for preservation 535 00:31:02,920 --> 00:31:05,040 was a man called Bryan Donkin. 536 00:31:06,000 --> 00:31:09,840 He set up the first tin-canning factory in the world in London... 537 00:31:11,640 --> 00:31:15,400 ..and the principles of canning he pioneered are still the same today. 538 00:31:16,480 --> 00:31:17,720 So, the food goes in there. 539 00:31:19,680 --> 00:31:22,720 First, he filled the can with food through a hole in the top... 540 00:31:25,200 --> 00:31:28,760 So, now what we have to do is cover that hole. 541 00:31:28,760 --> 00:31:30,400 Right. And solder that on. 542 00:31:30,400 --> 00:31:31,440 Okey doke. 543 00:31:33,280 --> 00:31:36,000 ..and then added a lid with a much smaller hole. 544 00:31:37,520 --> 00:31:41,200 So, now we've got everything closed except for one tiny little hole. 545 00:31:43,040 --> 00:31:45,000 When he cooked the food inside the can, 546 00:31:45,000 --> 00:31:48,080 steam could escape through the hole, 547 00:31:48,080 --> 00:31:50,240 but it was then sealed up, 548 00:31:50,240 --> 00:31:52,560 preserving the food inside the can. 549 00:31:55,120 --> 00:31:58,680 And that's it. So, now the food in there is cooked, 550 00:31:58,680 --> 00:32:00,360 all the bacteria are killed 551 00:32:00,360 --> 00:32:02,840 and because it's now sealed, no new bacteria can get in. 552 00:32:02,840 --> 00:32:03,880 Exactly, yes. 553 00:32:03,880 --> 00:32:06,320 And it's preserved with all its nutritional 554 00:32:06,320 --> 00:32:08,480 and vitamin values intact. 555 00:32:08,480 --> 00:32:09,600 That's the key part of it, 556 00:32:09,600 --> 00:32:12,120 that the nutritional value is completely preserved, yes. 557 00:32:14,040 --> 00:32:15,760 So, the tin can was born. 558 00:32:16,800 --> 00:32:19,960 By 1818, Donkin's factory was supplying the navy 559 00:32:19,960 --> 00:32:22,920 with almost 24,000 cans a year, 560 00:32:22,920 --> 00:32:28,760 including soup, meat and vegetables, all rich in vitamins and minerals. 561 00:32:30,880 --> 00:32:34,240 The nutrition of the British seamen was hugely improved 562 00:32:34,240 --> 00:32:38,240 and this humble invention saved thousands of lives. 563 00:32:43,800 --> 00:32:46,520 Back in Wigan, my three vital ingredients 564 00:32:46,520 --> 00:32:49,720 are being brought together for the first time in the filling hall. 565 00:32:51,560 --> 00:32:53,840 The beans are dropping down from blanching, 566 00:32:53,840 --> 00:32:56,960 tomato sauce is coming from the kitchen next door 567 00:32:56,960 --> 00:32:59,360 and the cans are travelling from can-making 568 00:32:59,360 --> 00:33:00,960 on the other side of the site. 569 00:33:03,080 --> 00:33:07,360 I'm following them to meet filling operator Jason Lowe. 570 00:33:07,360 --> 00:33:09,800 This is the start of the process, Gregg. 571 00:33:09,800 --> 00:33:12,040 We get the cans from can-making, 572 00:33:12,040 --> 00:33:17,080 they come down the gantry and they go straight into the bean head. 573 00:33:17,080 --> 00:33:19,880 The blanched beans arrive at the rotating bean head 574 00:33:19,880 --> 00:33:22,640 and fill up the small round compartments on top. 575 00:33:24,040 --> 00:33:26,600 Then they drop into the waiting cans below. 576 00:33:27,920 --> 00:33:32,360 On average, 465 beans into every can. 577 00:33:32,360 --> 00:33:36,600 It all happens so fast, I'll just have to take their word for it. 578 00:33:36,600 --> 00:33:40,080 Hundreds and hundreds of cans just flashing in front of your eyes. 579 00:33:42,040 --> 00:33:44,320 So, you don't add the tomato sauce yet? 580 00:33:44,320 --> 00:33:47,560 No, the tomato sauce is at the next step. 581 00:33:47,560 --> 00:33:48,960 Can I see the sauce going in? 582 00:33:48,960 --> 00:33:50,800 Yeah, of course you can. 583 00:33:50,800 --> 00:33:53,240 This is what we call the sauce filler. 584 00:33:53,240 --> 00:33:56,120 It happens at a rapid pace, my friend, doesn't it? 585 00:33:56,120 --> 00:33:59,040 Endless sauce being put on. 586 00:33:59,040 --> 00:34:01,840 The cans are passing at such a rapid rate 587 00:34:01,840 --> 00:34:05,280 that the sauce has to be squirted in at high pressure. 588 00:34:05,280 --> 00:34:06,840 How many of these running? 589 00:34:06,840 --> 00:34:10,280 We've actually got six other lines all working flat-out. 590 00:34:11,600 --> 00:34:15,920 After the sauce, we've got the beans in the can, the sauce in the can, 591 00:34:15,920 --> 00:34:16,960 then it puts a lid on. 592 00:34:18,480 --> 00:34:22,200 Here in filling, the can ends are stacked into a machine by hand. 593 00:34:24,280 --> 00:34:26,520 Whatever you do, don't drop it 594 00:34:26,520 --> 00:34:28,840 or else we'll end up with all them can ends everywhere. 595 00:34:28,840 --> 00:34:31,920 How long do they take to pick up if I get it wrong? 596 00:34:31,920 --> 00:34:33,640 I don't know, but I'll time you if you do. 597 00:34:36,720 --> 00:34:38,080 Yeah! 598 00:34:40,600 --> 00:34:43,680 Finally, the cans are sealed, 599 00:34:43,680 --> 00:34:47,600 but I've just realised the beans haven't been cooked. 600 00:34:47,600 --> 00:34:50,200 They're not cooked yet, are they? No, they're not cooked yet. 601 00:34:50,200 --> 00:34:51,880 Them beans are blanched. 602 00:34:51,880 --> 00:34:54,200 They get cooked further down. 603 00:34:54,200 --> 00:34:55,760 Inside the tin? 604 00:34:55,760 --> 00:34:57,000 Inside the tin. 605 00:34:58,040 --> 00:35:01,320 The beans and the sauce are cooked together in a sealed tin? 606 00:35:01,320 --> 00:35:03,080 Yes. Already sealed up? 607 00:35:03,080 --> 00:35:05,040 Already sealed up. Not cooked yet? 608 00:35:05,040 --> 00:35:07,160 Not cooked yet. 609 00:35:07,160 --> 00:35:09,080 Does that sound right to you? 610 00:35:09,080 --> 00:35:10,840 That's our process, Gregg. 611 00:35:10,840 --> 00:35:13,720 Now, I'll be blown. Who knew that? 612 00:35:13,720 --> 00:35:18,240 No-one would ever dream that those beans go into that can uncooked. 613 00:35:19,360 --> 00:35:22,480 Cooking them once they're in the can kills any bacteria 614 00:35:22,480 --> 00:35:25,880 that might be inside, preserving the contents. 615 00:35:25,880 --> 00:35:28,880 And Cherry's been finding out exactly how long 616 00:35:28,880 --> 00:35:30,280 tinned food will last. 617 00:35:34,760 --> 00:35:38,080 If you're anything like me, tins are bought for a rainy day 618 00:35:38,080 --> 00:35:41,160 and then they end up at the back of the cupboard, gathering dust. 619 00:35:41,160 --> 00:35:46,360 But how long can they sit there and still be OK to eat? 620 00:35:46,360 --> 00:35:48,760 If they're past their best before date, 621 00:35:48,760 --> 00:35:52,320 they can still be used as long as they're not dented, punctured, 622 00:35:52,320 --> 00:35:57,920 swollen or rusty, but is canned food as nutritious as fresh? 623 00:35:58,920 --> 00:36:02,440 To find out, I'm going to the Health and Life Sciences Department 624 00:36:02,440 --> 00:36:04,880 at the University of Coventry. 625 00:36:04,880 --> 00:36:06,720 First, I've brought them a tin of tomatoes 626 00:36:06,720 --> 00:36:10,120 14 months past its best before date. 627 00:36:10,120 --> 00:36:13,880 Dietician Carla Phillips is going to measure the amount of vitamin C 628 00:36:13,880 --> 00:36:17,880 in the tinned tomatoes and compare that to fresh ones. 629 00:36:17,880 --> 00:36:20,840 We've got some fresh tomatoes here, so we need to blend them down 630 00:36:20,840 --> 00:36:23,320 and then we can extract the vitamin C. 631 00:36:23,320 --> 00:36:24,360 Here we go. 632 00:36:27,320 --> 00:36:31,160 Scientist Andrew Reid puts our tinned and fresh samples 633 00:36:31,160 --> 00:36:33,440 into a liquid chromatographer 634 00:36:33,440 --> 00:36:36,720 to separate and measure their vitamin C levels. 635 00:36:36,720 --> 00:36:39,480 So, the results show that the fresh tomatoes that we bought today 636 00:36:39,480 --> 00:36:42,560 have the same vitamin C level as the tinned tomatoes. 637 00:36:42,560 --> 00:36:45,320 What?! I'm completely gobsmacked. 638 00:36:45,320 --> 00:36:48,080 Well, we can explain that because these would have been tinned 639 00:36:48,080 --> 00:36:49,560 as soon as they were picked 640 00:36:49,560 --> 00:36:53,280 and these fresh tomatoes might have been hanging around in a warehouse 641 00:36:53,280 --> 00:36:54,880 before they went to the supermarket, 642 00:36:54,880 --> 00:36:59,080 so the vitamin C content will degrade from these fresh products. 643 00:36:59,080 --> 00:37:01,800 So, canning preserves the nutrients, 644 00:37:01,800 --> 00:37:05,840 whereas in fresh food, they continually degrade. 645 00:37:05,840 --> 00:37:08,760 Next, the lab has found another can to test. 646 00:37:08,760 --> 00:37:11,760 It's, er, slightly out of date. 647 00:37:11,760 --> 00:37:15,320 What? 45-year-old can of Skippers. 648 00:37:19,640 --> 00:37:21,280 Oh, it comes with a key. 649 00:37:21,280 --> 00:37:24,560 I think you put that bit in there. Yeah, I think so. 650 00:37:24,560 --> 00:37:28,760 These fish haven't been out of bed for 45 years. I know. 651 00:37:28,760 --> 00:37:30,000 Absolutely. 652 00:37:30,000 --> 00:37:33,320 Theoretically, there's no limit on how long fish 653 00:37:33,320 --> 00:37:35,920 can be kept nutritionally sound in a can. 654 00:37:35,920 --> 00:37:38,000 That is absolutely incredible. 655 00:37:38,000 --> 00:37:41,400 They look fresh, they smell fresh. Mm-hmm. 656 00:37:41,400 --> 00:37:43,240 But what I would like to know is, 657 00:37:43,240 --> 00:37:45,600 are there any hidden microbes in there? 658 00:37:45,600 --> 00:37:46,640 We shall find out. 659 00:37:47,800 --> 00:37:50,200 To see if the fish is still safe to eat, 660 00:37:50,200 --> 00:37:55,160 microbiologist Dr Daniel Amund places samples on Petri dishes 661 00:37:55,160 --> 00:37:57,960 that need to be incubated for microtesting. 662 00:37:57,960 --> 00:37:59,960 The results will take five days. 663 00:38:01,480 --> 00:38:04,600 As a dietician, would you recommend cans? 664 00:38:04,600 --> 00:38:07,560 Absolutely. They're a great way of helping us to meet our nutritional 665 00:38:07,560 --> 00:38:10,240 requirements. You know, if we buy fresh fruit and vegetables, 666 00:38:10,240 --> 00:38:11,600 then they can stay in our fridge 667 00:38:11,600 --> 00:38:13,480 and if we don't use them up quick enough, 668 00:38:13,480 --> 00:38:16,280 then the nutrients can become less over time, 669 00:38:16,280 --> 00:38:18,640 but tinned vegetables will really keep the nutrition 670 00:38:18,640 --> 00:38:20,200 locked in for longer. 671 00:38:20,200 --> 00:38:22,960 So, fresh is wonderful if eaten quickly, 672 00:38:22,960 --> 00:38:27,400 but cans are a fantastic way of getting good food into our body 673 00:38:27,400 --> 00:38:29,120 very conveniently. Absolutely. 674 00:38:30,880 --> 00:38:32,760 And the old tin of Skippers? 675 00:38:32,760 --> 00:38:35,960 After a sample was incubated in a Petri dish for five days, 676 00:38:35,960 --> 00:38:39,040 it showed no signs of bacterial growth. 677 00:38:39,040 --> 00:38:43,400 So, remarkably, after 45 years, the fish is fit to eat. 678 00:38:48,320 --> 00:38:51,280 But before you eat any food from out-of-date cans, 679 00:38:51,280 --> 00:38:54,320 make sure the can is intact and in good condition 680 00:38:54,320 --> 00:38:56,600 and the contents look and smell OK. 681 00:39:02,320 --> 00:39:03,440 Back at the factory, 682 00:39:03,440 --> 00:39:07,200 it's been 52 minutes since I released my beans from the bag. 683 00:39:08,440 --> 00:39:11,760 They've already been blanched and sealed inside the can. 684 00:39:11,760 --> 00:39:14,200 Now, it's finally time to cook them. 685 00:39:15,800 --> 00:39:18,640 Cooker manager Greg Leach is responsible for cooking 686 00:39:18,640 --> 00:39:21,920 three million cans of beans every day. 687 00:39:28,120 --> 00:39:31,880 Welcome to the surreal world of bean cooking. 688 00:39:40,080 --> 00:39:41,880 Where's this steam coming from? 689 00:39:41,880 --> 00:39:43,680 We've got a massive boiler plant on-site. 690 00:39:43,680 --> 00:39:45,080 It's generating the steam 691 00:39:45,080 --> 00:39:47,880 and it's pumping it through pipes straight into our cookers. 692 00:39:47,880 --> 00:39:51,080 Mate, how many beans are you cooking? 693 00:39:51,080 --> 00:39:54,960 So, on all five cookers, probably about 800,000 cans 694 00:39:54,960 --> 00:39:56,440 every eight hours. 695 00:39:56,440 --> 00:39:58,520 This is a sci-fi movie, isn't it? 696 00:39:58,520 --> 00:40:02,360 Well, you can feel it moving below, all those reels bumping around. 697 00:40:02,360 --> 00:40:04,240 One big drive cog pushing everything. 698 00:40:09,480 --> 00:40:11,920 Just like a household pressure cooker, 699 00:40:11,920 --> 00:40:13,880 steam is used to raise the pressure 700 00:40:13,880 --> 00:40:17,720 and the temperature inside the cooking chamber. 701 00:40:17,720 --> 00:40:20,120 There are five chambers in each cooker 702 00:40:20,120 --> 00:40:24,000 and inside each one is a giant corkscrew, 703 00:40:24,000 --> 00:40:25,960 which continuously turns, 704 00:40:25,960 --> 00:40:28,800 moving the cans from one end of the chamber to the other. 705 00:40:30,160 --> 00:40:33,720 The movement mixes the beans and sauce inside the can 706 00:40:33,720 --> 00:40:35,920 and the heat from the steam cooks them. 707 00:40:37,160 --> 00:40:41,000 Seven minutes later, they move on to the next chamber. 708 00:40:41,000 --> 00:40:43,840 So what we do is we send it up one way, transfer it, 709 00:40:43,840 --> 00:40:46,120 send it all the way back, transfer it again, 710 00:40:46,120 --> 00:40:48,320 send it all the way back up this end. 711 00:40:48,320 --> 00:40:52,880 Why don't you just make a great big pot of beans and sauce, 712 00:40:52,880 --> 00:40:55,080 cook it up, stick it in a can? 713 00:40:55,080 --> 00:40:58,280 Well, we can't guarantee that there won't be bacteria in that product 714 00:40:58,280 --> 00:41:01,200 when we've cooked it up and we're sealing that bacteria in a can 715 00:41:01,200 --> 00:41:03,360 and caused a spoiled product or dangerous product 716 00:41:03,360 --> 00:41:06,120 on the other side of the process. 717 00:41:06,120 --> 00:41:09,200 21 minutes at a high temperature and pressure 718 00:41:09,200 --> 00:41:12,400 kills any bacteria inside the can 719 00:41:12,400 --> 00:41:18,080 and means the beans will be good to eat for at least the next 16 months. 720 00:41:18,080 --> 00:41:20,320 That's why it's perfectly preserved. 721 00:41:20,320 --> 00:41:22,560 That is the beauty of canning. 722 00:41:22,560 --> 00:41:24,440 It controls bacteria. 723 00:41:24,440 --> 00:41:26,880 A lot of responsibility on you here. 724 00:41:26,880 --> 00:41:30,240 Yes. You could argue that this might be the most important bit. 725 00:41:30,240 --> 00:41:31,280 It is, it is. 726 00:41:31,280 --> 00:41:34,560 It guarantees our food safety, it guarantees our quality 727 00:41:34,560 --> 00:41:36,200 and it guarantees the shelf life. 728 00:41:36,200 --> 00:41:39,760 We do this correctly, when you open a can in eight months or ten months, 729 00:41:39,760 --> 00:41:42,360 it'll be as good as the day we made it. 730 00:41:42,360 --> 00:41:47,040 So it turns out that baked beans aren't actually baked after all. 731 00:41:47,040 --> 00:41:50,280 They're cooked using steam. 732 00:41:50,280 --> 00:41:53,280 Mate, what it takes to give us beans on toast, eh? 733 00:41:57,640 --> 00:42:00,120 I use quite a bit of canned food when I cook. 734 00:42:00,120 --> 00:42:02,200 I use tinned tomatoes for pasta sauces 735 00:42:02,200 --> 00:42:04,840 and I use tinned fruit when I make a crumble. 736 00:42:04,840 --> 00:42:07,960 There are some people, however, that turn their nose up at canned food. 737 00:42:07,960 --> 00:42:10,040 They think it's common. 738 00:42:10,040 --> 00:42:12,520 Well, those people would be surprised to know 739 00:42:12,520 --> 00:42:15,240 there was a time when canned food in your larder 740 00:42:15,240 --> 00:42:17,440 was the absolute epitome of poshness. 741 00:42:21,400 --> 00:42:26,640 I'm on a quest to find out where our passion for baked beans began 742 00:42:26,640 --> 00:42:31,680 and, rather surprisingly, that story begins at the Queen's grocers. 743 00:42:33,240 --> 00:42:34,520 In the mid-19th century, 744 00:42:34,520 --> 00:42:38,680 Fortnum and Mason in London were the leading supplier of tinned goods 745 00:42:38,680 --> 00:42:41,880 to the British Empire, supplying their luxury tins 746 00:42:41,880 --> 00:42:46,600 to the wealthy and military officers touring overseas. 747 00:42:46,600 --> 00:42:50,920 In 1886, an entrepreneurial American by the name of Henry Heinz 748 00:42:50,920 --> 00:42:54,520 arrived here with a single suitcase full of samples 749 00:42:54,520 --> 00:42:59,880 of seven of his newest varieties, mostly condiments like ketchup. 750 00:42:59,880 --> 00:43:04,120 By all accounts, he was astonished to hear the purchasing manager say, 751 00:43:04,120 --> 00:43:06,640 "I think, Mr Heinz, we'll take the lot." 752 00:43:08,360 --> 00:43:10,680 15 years later in 1901, 753 00:43:10,680 --> 00:43:15,720 Fortnum's were the first to sell a new Heinz product - baked beans. 754 00:43:17,920 --> 00:43:20,920 But the ambitious American wanted much more. 755 00:43:20,920 --> 00:43:24,800 He intended to take tins to the mass market. 756 00:43:29,000 --> 00:43:32,120 And his baked beans were at the forefront of the revolution. 757 00:43:36,360 --> 00:43:39,560 Polly Russell is a food historian for the British Library. 758 00:43:39,560 --> 00:43:42,400 SHE LAUGHS Thank you. One beans on toast. 759 00:43:42,400 --> 00:43:43,720 Lovely! 760 00:43:43,720 --> 00:43:48,600 Tell me, how is it that food that started out as a supreme luxury 761 00:43:48,600 --> 00:43:50,520 ended up being something that we all eat? 762 00:43:50,520 --> 00:43:53,960 Well, I think Henry Heinz has got to take quite a bit of credit 763 00:43:53,960 --> 00:43:56,080 for popularising tinned food, 764 00:43:56,080 --> 00:43:58,600 particularly things like baked beans. 765 00:43:58,600 --> 00:44:01,800 So in 1905/1906, 766 00:44:01,800 --> 00:44:04,240 here is one of the earliest adverts for Heinz 767 00:44:04,240 --> 00:44:07,280 and here you see the workers streaming out of the factory, 768 00:44:07,280 --> 00:44:11,920 coming towards this sort of wholesome bowl of baked beans 769 00:44:11,920 --> 00:44:15,000 and it says, "What a hunger the morning's work has given you 770 00:44:15,000 --> 00:44:18,160 "and how little time you have to satisfy its cravings. 771 00:44:18,160 --> 00:44:21,640 "You want something cheap, ready and sustaining." 772 00:44:21,640 --> 00:44:23,560 I find it quite extraordinary, really, 773 00:44:23,560 --> 00:44:25,600 that we took to something like baked beans. 774 00:44:25,600 --> 00:44:28,000 I mean, this bears no resemblance 775 00:44:28,000 --> 00:44:30,640 to any traditional British food before it. 776 00:44:30,640 --> 00:44:33,240 No, you're absolutely right. This is not a traditional food. 777 00:44:33,240 --> 00:44:35,520 This is a completely different food. 778 00:44:35,520 --> 00:44:38,920 And how long did it take, you know, to move from a completely new food 779 00:44:38,920 --> 00:44:40,680 to something that we take for granted? 780 00:44:40,680 --> 00:44:42,680 Baked beans are first introduced into Britain 781 00:44:42,680 --> 00:44:44,560 in the late 19th century. 782 00:44:44,560 --> 00:44:49,360 By the 1920s, Heinz has got its first state-of-the-art factory 783 00:44:49,360 --> 00:44:53,760 and baked beans are actually being produced in this country by 1928 784 00:44:53,760 --> 00:44:56,440 and what you see is that sales are doubling 785 00:44:56,440 --> 00:44:58,120 every four and a half years. 786 00:44:59,320 --> 00:45:01,720 And that's how baked beans conquered Britain. 787 00:45:02,720 --> 00:45:07,760 We now get through more than two million cans of them every day. 788 00:45:14,960 --> 00:45:17,720 In just one hour and 27 minutes, 789 00:45:17,720 --> 00:45:22,520 my beans have been blanched, laser-checked, put in a can, 790 00:45:22,520 --> 00:45:24,440 covered in tomato sauce 791 00:45:24,440 --> 00:45:27,560 and sent spiralling through a pressure cooker. 792 00:45:27,560 --> 00:45:30,320 They've been cooked with the lid already sealed on, 793 00:45:30,320 --> 00:45:34,320 so, every two hours, a team of experts take a can 794 00:45:34,320 --> 00:45:36,360 off the production line and taste it, 795 00:45:36,360 --> 00:45:40,520 checking the texture of the beans and the flavour of the sauce. 796 00:45:40,520 --> 00:45:42,800 As soon as my beans get the green light, 797 00:45:42,800 --> 00:45:45,440 it's time to put a label on them. 798 00:45:45,440 --> 00:45:48,480 Today, that's Hayley Wright's job. 799 00:45:48,480 --> 00:45:51,280 There's a hole in the wall where the cooker is 800 00:45:51,280 --> 00:45:52,920 and they come straight through to you. 801 00:45:52,920 --> 00:45:54,920 Yeah. How many? 802 00:45:54,920 --> 00:45:56,520 We package over three million a day. 803 00:45:57,520 --> 00:45:59,600 These are still really warm. They are warm. 804 00:45:59,600 --> 00:46:01,160 These are straight from the cooker. 805 00:46:01,160 --> 00:46:03,760 This is the way that we normally label. 806 00:46:03,760 --> 00:46:07,200 A machine sprays each can with a mist of glue 807 00:46:07,200 --> 00:46:09,320 and sticks on a label. 808 00:46:09,320 --> 00:46:11,760 It's all carefully monitored. 809 00:46:11,760 --> 00:46:14,280 The light that you can see shining is actually a camera. 810 00:46:14,280 --> 00:46:17,720 That is taking a photograph of every single label that's applied. 811 00:46:17,720 --> 00:46:21,520 That's to make sure that every label has been stuck on straight. 812 00:46:22,840 --> 00:46:24,800 Are my beans finally ready to go? 813 00:46:24,800 --> 00:46:26,000 They're almost ready to go. 814 00:46:26,000 --> 00:46:28,200 We just need to do a couple more quality checks. 815 00:46:28,200 --> 00:46:30,000 You're kidding me! No, I'll just show you. 816 00:46:30,000 --> 00:46:32,760 Listen, they're cooked, they're in the can - they've got to be OK! 817 00:46:32,760 --> 00:46:34,680 Let me just show you our final quality check. 818 00:46:36,440 --> 00:46:39,000 So, we need to ensure that the beans have got a vacuum. 819 00:46:39,000 --> 00:46:42,080 What we mean by a vacuum is that the end is actually in a concave 820 00:46:42,080 --> 00:46:45,880 so if you feel that, it's a nice tight vacuum that's in the can. 821 00:46:45,880 --> 00:46:49,240 If a can gets knocked or dented, creating a hole, 822 00:46:49,240 --> 00:46:50,880 the vacuum will be broken 823 00:46:50,880 --> 00:46:54,280 and the bottom of the can will bulge outwards. 824 00:46:54,280 --> 00:46:56,560 Luckily, the factory have a way of preventing 825 00:46:56,560 --> 00:46:58,560 any of those from getting through. 826 00:46:58,560 --> 00:47:02,240 Right. I've opened that just a little bit, right? 827 00:47:02,240 --> 00:47:05,600 Yep. And now I'm going to push the lid down so the machine can't tell. 828 00:47:05,600 --> 00:47:07,880 Yep. That looks like a sealed can, right? 829 00:47:07,880 --> 00:47:10,320 Correct. But you reckon now the bottom will have changed. 830 00:47:10,320 --> 00:47:13,160 Yes. I'm going to make a little scrape in it. 831 00:47:13,160 --> 00:47:14,840 All right, that's ours. 832 00:47:14,840 --> 00:47:16,160 Put it back in the machine. OK. 833 00:47:18,000 --> 00:47:21,600 The can passes through a sensor which checks its bottom. 834 00:47:21,600 --> 00:47:25,080 Even the smallest bulge will indicate there's a leak in the can 835 00:47:25,080 --> 00:47:26,840 and it would be rejected. 836 00:47:29,160 --> 00:47:32,040 HE LAUGHS That's ridiculous! 837 00:47:32,040 --> 00:47:33,400 That's not the neatest, 838 00:47:33,400 --> 00:47:36,160 but that is in the top three neatest things I've seen today. 839 00:47:38,520 --> 00:47:41,000 Canned food is a great way to eat on a budget, 840 00:47:41,000 --> 00:47:44,800 but does that mean you have to compromise on taste? 841 00:47:44,800 --> 00:47:48,360 Well, Cherry is conducting an experiment to find out. 842 00:47:52,160 --> 00:47:56,680 I've taken over the restaurant of a swanky hotel in Richmond-upon-Thames 843 00:47:56,680 --> 00:48:01,080 and invited a group of foodies to help me with a tasting. 844 00:48:01,080 --> 00:48:05,280 These people think they're coming here to check out the new menu. 845 00:48:05,280 --> 00:48:07,680 Well, I've got a bit of a surprise for them in the kitchen. 846 00:48:07,680 --> 00:48:10,920 Their meal will be coming from tins. 847 00:48:12,560 --> 00:48:16,000 I'm conducting an experiment with Jack Monroe. 848 00:48:16,000 --> 00:48:17,280 Hi, Jack, nice to meet you. 849 00:48:17,280 --> 00:48:18,320 I'm Cherry. Hi! 850 00:48:19,320 --> 00:48:22,880 Jack's a food writer known for budget-friendly recipes 851 00:48:22,880 --> 00:48:26,240 and thinks canned foods have a bit of an image problem. 852 00:48:26,240 --> 00:48:28,120 We get bombarded with messages 853 00:48:28,120 --> 00:48:31,080 and especially these days from, like, health gurus 854 00:48:31,080 --> 00:48:32,400 and health food bloggers 855 00:48:32,400 --> 00:48:35,560 and I think there's just a slight snobbery around using cans, 856 00:48:35,560 --> 00:48:37,320 if I'm honest. Yes. 857 00:48:38,360 --> 00:48:42,560 Today, Jack's hoping to persuade me and our discerning diners 858 00:48:42,560 --> 00:48:45,920 that canned food can be as delicious as fresh 859 00:48:45,920 --> 00:48:48,600 and at a fraction of the price. 860 00:48:48,600 --> 00:48:50,160 I'm an avid supporter of the tin. 861 00:48:50,160 --> 00:48:53,240 You have a CAN-do attitude. 862 00:48:53,240 --> 00:48:54,880 I like it! 863 00:48:54,880 --> 00:48:59,000 Jack's going to produce a two-course gourmet meal for our guests - 864 00:48:59,000 --> 00:49:03,000 croquette de poisson and then chana masala. 865 00:49:03,000 --> 00:49:05,240 All the ingredients will come from cans, 866 00:49:05,240 --> 00:49:08,240 apart from some herbs and spices which will add flavour, 867 00:49:08,240 --> 00:49:11,440 but costs should still be minimal. 868 00:49:11,440 --> 00:49:14,000 That's what I'm going to do and hope that they love it, too. 869 00:49:14,000 --> 00:49:16,920 So, put me to work cos I'm not the world's best cook, 870 00:49:16,920 --> 00:49:19,000 but I can work a tin opener. 871 00:49:19,000 --> 00:49:20,240 Excellent! 872 00:49:20,240 --> 00:49:22,480 First, the croquette de poisson - 873 00:49:22,480 --> 00:49:26,600 fishcakes made from tinned sardines and a value can of potatoes. 874 00:49:27,920 --> 00:49:31,240 I've never used a canned potato in my own home. 875 00:49:31,240 --> 00:49:34,360 Are they cheaper than normal potatoes? 876 00:49:34,360 --> 00:49:35,400 Actually, yes. 877 00:49:35,400 --> 00:49:38,360 You're looking at 30p for a kilo of tinned potatoes 878 00:49:38,360 --> 00:49:41,040 or 70p for a kilo of fresh potatoes. 879 00:49:41,040 --> 00:49:43,920 That's amazing! Somebody's already done the hard work for you. 880 00:49:43,920 --> 00:49:46,120 They're peeled, they're parboiled, 881 00:49:46,120 --> 00:49:48,640 they're ready to go and they're half the price. 882 00:49:50,920 --> 00:49:54,600 The potatoes are mashed together with the sardines along with flour, 883 00:49:54,600 --> 00:49:58,280 parsley, a splash of lemon juice and paprika. 884 00:49:58,280 --> 00:50:01,440 The most expensive ingredient is the tinned fish 885 00:50:01,440 --> 00:50:04,920 and even that is only 40p a can. 886 00:50:04,920 --> 00:50:07,360 What size is the average boutique fishcake? 887 00:50:07,360 --> 00:50:09,120 I think quite small. 888 00:50:09,120 --> 00:50:10,160 Yeah? Yes. 889 00:50:11,400 --> 00:50:13,880 Look at my baby! 890 00:50:13,880 --> 00:50:16,440 The fishcakes seem to be shaping up OK, 891 00:50:16,440 --> 00:50:20,400 but I'm not sure the curry, also assembled entirely from tins, 892 00:50:20,400 --> 00:50:21,960 will be as appetising. 893 00:50:23,840 --> 00:50:26,840 Tinned chickpeas, peaches, spinach, tomatoes, 894 00:50:26,840 --> 00:50:28,560 along with a chopped onion, 895 00:50:28,560 --> 00:50:32,320 garlic and some herbs are all simmering away in one pot. 896 00:50:33,800 --> 00:50:37,200 Now that we've added a few herbs and spices, 897 00:50:37,200 --> 00:50:41,120 it's really starting to smell and look amazing. 898 00:50:41,120 --> 00:50:44,120 I can't wait to see what they're going to make of these. 899 00:50:44,120 --> 00:50:45,680 Fingers crossed they like them. 900 00:50:48,840 --> 00:50:51,560 Here we go! It is ready! 901 00:50:51,560 --> 00:50:55,320 Let's see if our starter makes the grade with our discerning diners. 902 00:50:56,720 --> 00:50:57,880 All right, bon appetit! 903 00:51:03,360 --> 00:51:05,080 Cheers! Cheers! 904 00:51:05,080 --> 00:51:07,840 For me, the flavour of the sardine fishcake 905 00:51:07,840 --> 00:51:10,240 is as good as any fresh equivalent. 906 00:51:10,240 --> 00:51:11,280 I love it! 907 00:51:11,280 --> 00:51:14,280 Thanks. You would never know that was from a can. 908 00:51:14,280 --> 00:51:16,440 But what do our guests think? 909 00:51:16,440 --> 00:51:17,760 I thought it was really yummy. 910 00:51:17,760 --> 00:51:19,680 The flavours were really well integrated. 911 00:51:19,680 --> 00:51:23,400 There was a lovely texture, little bits of potato. 912 00:51:23,400 --> 00:51:25,240 Fantastic. It's lovely. 913 00:51:25,240 --> 00:51:27,040 I thought it was really, really nice. 914 00:51:27,040 --> 00:51:28,280 I enjoyed it. 915 00:51:28,280 --> 00:51:30,640 Could maybe have done with another four, but, you know. 916 00:51:30,640 --> 00:51:33,320 But not everyone was impressed by the recipe. 917 00:51:34,320 --> 00:51:37,160 What I missed was a bit of heat in it. 918 00:51:38,520 --> 00:51:40,480 Chilli, maybe. 919 00:51:40,480 --> 00:51:42,160 But it's a good start. 920 00:51:42,160 --> 00:51:44,840 The fishcakes passed the taste test. 921 00:51:44,840 --> 00:51:47,160 Will our curry made from tinned chickpeas, 922 00:51:47,160 --> 00:51:49,560 spinach and peaches fare as well? 923 00:51:49,560 --> 00:51:50,600 Enjoy! 924 00:51:53,160 --> 00:51:55,560 It is jolly good. There's lovely aromas coming through. 925 00:51:55,560 --> 00:51:56,600 Yes, exactly. 926 00:51:56,600 --> 00:51:58,680 It just tastes really, really fresh. 927 00:51:58,680 --> 00:52:00,680 Light and clean tasting, yeah. 928 00:52:00,680 --> 00:52:03,720 Generally, nice textures and flavours in the mouth. 929 00:52:04,680 --> 00:52:08,960 The meal has definitely won over the educated palates of our diners. 930 00:52:08,960 --> 00:52:11,560 Time to come clean about our recipes. 931 00:52:11,560 --> 00:52:17,720 Well, this is chef, Jack Monroe. Well... Hi, I hope you enjoyed it. 932 00:52:17,720 --> 00:52:22,080 Would you like to see what Jack used to make your food? 933 00:52:22,080 --> 00:52:23,800 Yes. Yes. 934 00:52:23,800 --> 00:52:27,640 You might be slightly surprised at this... Ready? ..or disgusted! 935 00:52:27,640 --> 00:52:29,600 Ta-da! Wow. 936 00:52:29,600 --> 00:52:31,320 Yes! 937 00:52:31,320 --> 00:52:35,680 Jack specialises in making meals on a very low budget. 938 00:52:35,680 --> 00:52:41,680 Would you like to tell us how much it cost per head to make that meal? 939 00:52:41,680 --> 00:52:45,560 So, your fishcakes came in at 17p-a-head 940 00:52:45,560 --> 00:52:48,920 and that included your parsley garnish and your lemon wedge. 941 00:52:49,880 --> 00:52:52,160 Your curry came in at 27p 942 00:52:52,160 --> 00:52:54,560 and it included your little bit of coriander as well. 943 00:52:54,560 --> 00:52:58,000 And the potatoes on the side came in at 9p each. 944 00:52:58,000 --> 00:53:02,800 So, that two-course meal cost about 60p a head. 945 00:53:04,520 --> 00:53:06,680 I am impressed. I am impressed. 946 00:53:15,600 --> 00:53:18,120 I've been really pleasantly surprised by today. 947 00:53:18,120 --> 00:53:21,160 I have to admit I think I was a bit of a can snob before, 948 00:53:21,160 --> 00:53:24,040 but Jack has really broadened my mind 949 00:53:24,040 --> 00:53:27,520 to substituting some items into my everyday cooking 950 00:53:27,520 --> 00:53:31,960 to bring my family food budget down without sacrificing on taste. 951 00:53:31,960 --> 00:53:33,120 Most enjoyable. 952 00:53:42,880 --> 00:53:46,640 Back at the factory, my finished can has been labelled. 953 00:53:46,640 --> 00:53:50,880 Next, it's wrapped and stacked onto a pallet by two dancing robots. 954 00:53:54,720 --> 00:53:57,280 But before the cans are sent out to the supermarket, 955 00:53:57,280 --> 00:54:02,000 they pass through the factory's national distribution centre. 956 00:54:02,000 --> 00:54:06,560 Almost all Heinz products made at their UK factories are stored here. 957 00:54:07,680 --> 00:54:11,240 As well as beans, soup and spaghetti made at this factory, 958 00:54:11,240 --> 00:54:15,280 the warehouse will also store everything from tomato ketchup 959 00:54:15,280 --> 00:54:17,000 to salad cream. 960 00:54:17,000 --> 00:54:21,320 Paul Andrews is head of logistics for this mammoth operation. 961 00:54:22,320 --> 00:54:25,640 Oh, my word! 962 00:54:25,640 --> 00:54:27,120 What on earth?! 963 00:54:27,120 --> 00:54:28,720 It's amazing, isn't it? 964 00:54:28,720 --> 00:54:31,040 That's just breathtaking. 965 00:54:31,040 --> 00:54:36,080 In this warehouse here, we can store 70,000 pallets of products. 966 00:54:36,080 --> 00:54:39,600 And, imagine, on each pallet, there's roughly 100 cases. 967 00:54:39,600 --> 00:54:44,560 This is the largest food storage site in the UK. 968 00:54:44,560 --> 00:54:45,840 It's warm in here. 969 00:54:45,840 --> 00:54:47,200 Do you heat this warehouse? 970 00:54:47,200 --> 00:54:48,480 No, we don't need to at all. 971 00:54:48,480 --> 00:54:50,240 These beans that have come in here today, 972 00:54:50,240 --> 00:54:52,720 they're still warm from the factory so, actually, 973 00:54:52,720 --> 00:54:56,080 all the heat from the product is heating the warehouse here. 974 00:54:56,080 --> 00:54:57,200 No way! 975 00:54:57,200 --> 00:55:00,760 The heat I can feel, because this is markedly warmer than out there, 976 00:55:00,760 --> 00:55:02,600 is just the heat from the cooked beans? 977 00:55:02,600 --> 00:55:05,320 It's just the heat from the cooked beans. 978 00:55:05,320 --> 00:55:07,280 Is anybody driving those cranes? 979 00:55:07,280 --> 00:55:09,160 These cranes are all automatic. 980 00:55:12,760 --> 00:55:14,840 I don't like it. It feels eerie. 981 00:55:14,840 --> 00:55:17,440 When the pallet comes in, it sends a message to the crane, 982 00:55:17,440 --> 00:55:19,200 telling the crane to pick up that pallet 983 00:55:19,200 --> 00:55:21,360 and then go and locate it in the warehouse. 984 00:55:21,360 --> 00:55:23,400 Times 70,000 pallets! 985 00:55:23,400 --> 00:55:28,240 Mate, this is just food on a giant scale. 986 00:55:28,240 --> 00:55:30,520 That's what it takes to feed the nation. 987 00:55:33,040 --> 00:55:34,560 Just two hours ago, 988 00:55:34,560 --> 00:55:37,440 I was hoisting my bag of beans into place 989 00:55:37,440 --> 00:55:40,320 and releasing them into the factory. 990 00:55:40,320 --> 00:55:43,720 Now, they are under the control of these giant cranes. 991 00:55:45,800 --> 00:55:49,640 The pallets of cans are stored in the warehouse for 17 hours 992 00:55:49,640 --> 00:55:52,040 while final quality tests are completed... 993 00:55:53,440 --> 00:55:56,120 ..before being rolled out, ready for departure. 994 00:55:57,240 --> 00:55:58,760 Take it out and stick it on a lorry. 995 00:55:58,760 --> 00:55:59,960 Off it goes. 996 00:55:59,960 --> 00:56:04,520 All of these coming past me are all going to shops - 997 00:56:04,520 --> 00:56:08,040 a constant conveyor belt into our kitchens. Into your kitchens. 998 00:56:08,040 --> 00:56:09,120 Never-ending. 999 00:56:14,840 --> 00:56:19,520 They make three million cans of baked beans here every single day, 1000 00:56:19,520 --> 00:56:21,960 but then when you think about it, there's hardly a kitchen 1001 00:56:21,960 --> 00:56:24,480 in the whole country that hasn't got a tin of beans in it. 1002 00:56:24,480 --> 00:56:27,200 It's the only product I know that we would happily eat 1003 00:56:27,200 --> 00:56:29,560 for breakfast, lunch and dinner. 1004 00:56:30,640 --> 00:56:34,120 What I didn't realise is the incredible technology 1005 00:56:34,120 --> 00:56:37,320 that goes into making such an inexpensive and everyday item. 1006 00:56:38,600 --> 00:56:39,880 I suppose, in a way, 1007 00:56:39,880 --> 00:56:44,480 it's quite fitting that the country that eats the most baked beans also 1008 00:56:44,480 --> 00:56:47,240 has the biggest baked bean factory on Earth. 1009 00:56:49,560 --> 00:56:51,560 Beans made at this factory in Wigan 1010 00:56:51,560 --> 00:56:54,040 will go to homes all over the UK, 1011 00:56:54,040 --> 00:56:58,320 with the north-west taking the crown for the biggest bean-eaters. 1012 00:56:58,320 --> 00:57:00,320 They also head to Ireland... 1013 00:57:00,320 --> 00:57:01,360 and Europe. 1014 00:57:01,360 --> 00:57:03,280 In fact, all over the world, 1015 00:57:03,280 --> 00:57:06,560 as far away as Nigeria, India 1016 00:57:06,560 --> 00:57:10,520 and Australia, who eat more baked beans than any other country 1017 00:57:10,520 --> 00:57:11,880 outside the UK. 1018 00:57:14,200 --> 00:57:15,840 Last one? 1019 00:57:15,840 --> 00:57:17,800 Yeah. All done? 1020 00:57:17,800 --> 00:57:19,800 Thanks, mate. Thank you very much. 1021 00:57:25,800 --> 00:57:27,640 There - 1022 00:57:27,640 --> 00:57:29,640 3,000 tins of beans on that lorry 1023 00:57:29,640 --> 00:57:33,200 and I saw those beans come in, dried, from North America. 1024 00:57:33,200 --> 00:57:34,240 But who knows? 1025 00:57:34,240 --> 00:57:37,960 In a few days, someone might be dipping their chips into them. 1026 00:57:37,960 --> 00:57:39,120 OK, let's go! 1027 00:57:42,000 --> 00:57:43,520 BEAN and gone. 1028 00:57:47,280 --> 00:57:48,440 Next time... 1029 00:57:48,440 --> 00:57:49,480 Wheels! 1030 00:57:49,480 --> 00:57:53,280 ..I'll be visiting the UK's largest bike manufacturer... 1031 00:57:53,280 --> 00:57:55,400 You're part-man, part-bicycle now, aren't you? 1032 00:57:55,400 --> 00:57:58,480 HE LAUGHS I think I'm robot now. 1033 00:57:58,480 --> 00:58:00,760 ..to have a go at building my own... 1034 00:58:00,760 --> 00:58:02,360 So, that's... 1035 00:58:02,360 --> 00:58:03,800 that bit. 1036 00:58:03,800 --> 00:58:04,840 Let's go, let's go! 1037 00:58:04,840 --> 00:58:07,200 ..and Cherry gets some Olympic tips... 1038 00:58:07,200 --> 00:58:10,320 So, if you want to make yourself as small as possible. 1039 00:58:10,320 --> 00:58:13,120 ..that'll transform everyone's bike ride. 1040 00:58:13,120 --> 00:58:15,240 She looks faster already. 1041 00:58:15,240 --> 00:58:16,560 Woo! All right!