Guides

The practical background the recipes assume: what to buy, how to keep it moving, what makes it taste like dinner, and how to cook it on one ring.

• Cooking on an open fire: what the old ways know

  A quarter of the world still cooks over fire. Australian stockmen, Nigerian party cooks and South African potjie makers each worked out how to get dinner from embers. What they knew, and where in Britain you can light one.

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• Cooking on one burner

  Sequencing, residual heat, and the handful of tricks that make a single ring feel like two.

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• Cooking through war: what people kept doing

  Sarajevo, Ukraine, Gaza, Leningrad and the Dutch Hunger Winter. How ordinary people kept cooking when the gas, power and water failed, and what a long-life cupboard can learn from them.

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• Do you need vitamins with a long-life diet?

  The honest answer, with the NHS doing the talking. One vitamin the UK is told to supplement whatever it eats, one this site's own data says a cupboard runs short of, and one where the supplement is the risk rather than the fix.

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• How long could you last on tinned food?

  Worked out properly, from the composition of 119 real ingredients across 165 recipes. The answer is not calories, and it is not the tins. One vitamin sets the clock, and four cheap tins move it.

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• How scarcity made dishes people love

  Spam musubi, army stew, koshari, corned beef stew, scouse. Food born of war, rationing and ship's stores, kept long after the hardship ended because it was good. What they have in common, and what that means for a long-life cupboard now.

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• How to make store cupboard food last longer

  Where you keep it matters more than what you buy. The four things that age food in a cupboard, the numbers worth working to, and the one condition nobody can judge by standing in the room.

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• Keeping oil and flour alive

  Olive oil and flour set the shelf life of more than half the recipes here. How they actually go off, how to slow it down, and whether past the date means dangerous or just disappointing.

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• Power for cooking: batteries, inverters and solar

  Cooking is the most demanding thing most people ask a battery to do. The arithmetic that decides whether an induction hob, a grill or a microwave is realistic, and why the watts on the box are the wrong number.

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• Rotation and FIFO

  Check dates at the shop, newest to the back, and make the cupboard visible. Three habits, no system.

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• Scurvy: the sailors' disease and the long-life cupboard

  What scurvy is, in the NHS's words. How the navy beat it, and how badly the popular version of that story is told. Why it is still diagnosed in England, and the cheap tins and packets that keep it off a store-cupboard diet.

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• Store cupboard build: 7, 14 and 30 days

  What to actually buy, in three sizes, and why the list stops growing after the first week.

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• The spice kit that makes this food worth eating

  Eleven things, most of which cost under two pounds, that decide whether tinned food tastes like dinner or like rations.

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• Tinned meat, honestly

  Corned beef, luncheon meat and frankfurters are genuinely useful and genuinely processed. What the evidence actually says, in proportion.

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• Treats and morale: why the chocolate is not optional

  Armies, a space agency and polar expeditions all found the same thing: give people dull food and they stop eating enough of it. Why treats, variety and a hot drink belong in any long-life cupboard, and how to plan them.

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• Washing without a tap

  Handwashing is food safety, and the standard advice assumes warm running water. What to do when there isn't any, and the one thing hand gel will not do for you.

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• Water: how much, and how to carry it

  The heaviest thing you take, and the figure that decides whether dried food saves weight or costs it.

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• Ways to make heat

  Gas, charcoal, electric, induction, microwave. What each one is actually good at for pantry cooking, what it costs to run, and which ones can kill you indoors.

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• What Britain actually keeps in the cupboard

  Not a survey of what people say they have. DEFRA measures what households actually buy, and the ranking is more useful than the guesses, including one item this site had entirely ignored.

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• What fasting kitchens know about cooking from the cupboard

  Lent, the Orthodox fasts, Ramadan, Hindu fast days and Buddhist temple cooking each built a cuisine around what is left when meat and dairy are off the table. What they made, and what a long-life cupboard can take from it.

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• Which long-life milk keeps longest

  Powder, UHT, evaporated, condensed, soya, oat and almond, with the figures side by side. One of them keeps three years and carries ten times the protein per gram. Two of them nobody publishes a figure for at all.

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