100 Days of Food Supplies: Building a Rotating Pantry

A well-stocked pantry can provide a household with a buffer against temporary food shortages, severe weather, supply disruption, financial difficulties or periods when getting to the shops is difficult.

The idea is not to buy 100 days of emergency rations and leave them untouched for years.

Instead, the aim is to create a working pantry containing approximately 100 days of food that is continually eaten, replaced and refreshed.

Food comes from the front of the shelves for everyday meals. New purchases go to the back. Once the system is established, the household becomes accustomed to cooking with the foods it stores and approximately 100 days of staples remain available at any given time.

Why Keep 100 Days of Food?

UK emergency guidance recommends keeping some non-perishable food at home for situations where normal supplies are temporarily disrupted.

A 100-day pantry goes considerably further.

It creates a substantial household food reserve while still being small enough to fit into a cupboard, pantry or shelving unit in many homes.

It can provide protection against several different problems:

• temporary shortages of particular foods
• severe weather
• transport or supply-chain disruption
• extended power or water interruptions
• unexpected financial difficulties
• inability to get to the shops
• sudden increases in food prices

Most importantly, none of these things has to happen for the pantry to be useful.

The food is part of the normal household diet.

A Pantry, Not an Emergency Food Store

Traditional emergency food storage can result in large quantities of unfamiliar food sitting untouched until it eventually needs replacing.

A rotating pantry works differently.

Store what you eat and eat what you store.

If oats are eaten every morning, oats are continually taken from the pantry and replaced.

If tinned tomatoes are regularly used for cooking, the oldest tins are used first and new tins go behind them.

This is sometimes known as first in, first out, or FIFO.

The pantry gradually becomes part of normal life rather than something reserved for an emergency.

Learn to Cook From the Pantry

One of the most important parts of maintaining a large food reserve is learning what to do with it.

Rice, oats, lentils and beans are inexpensive and store well, but eating the same plain ingredients every day would quickly become monotonous.

The solution is not necessarily to store hundreds of different foods.

It is to learn how to turn a relatively small number of staple ingredients into very different meals.

For example, beans and tomatoes could form the basis of:

• chilli
• curry
• spicy bean stew
• tomato and bean soup
• Mexican-style rice and beans
• lentil and tomato dhal
• Mediterranean-style beans
• pasta sauce

The ingredients may be similar, but herbs, spices and cooking methods completely change the finished meal.

Herbs, Spices and Flavourings Matter

Spices occupy very little space and can transform a pantry.

Useful choices could include:

• black pepper
• paprika
• smoked paprika
• chilli powder or flakes
• cumin
• coriander
• turmeric
• curry powder or garam masala
• garlic powder
• onion powder
• oregano
• basil
• mixed herbs
• cinnamon
• ginger
• stock cubes or powder

Sauces, vinegars and other long-life flavourings can provide even more variety.

The objective is to experiment before the pantry is ever needed as a reserve.

Over time, households can develop a collection of inexpensive meals they genuinely enjoy making from their stored ingredients.

Designing a Nutritionally Useful Pantry

Calories alone are not enough.

A better 100-day pantry should provide substantial amounts of:

• protein
• carbohydrates
• healthy fats
• fibre
• essential fatty acids
• vitamins
• minerals

Fresh foods would normally add considerably more variety to the diet. The pantry is intended as a reserve rather than an argument for eating only stored food indefinitely.

Nevertheless, careful food choices can provide a surprisingly broad range of nutrients from shelf-stable ingredients.

Suggested 100-Day Pantry for One Adult

The following provides a starting stock list, rather than a prescribed diet. Individual calorie and nutritional requirements vary according to factors including age, body size and activity.

Oats – approximately 12 kg

Around 120 g per day provides 12 kg over 100 days.

Oats were selected because they are inexpensive, compact and highly versatile.

They provide carbohydrates, fibre, protein and several important minerals and B vitamins.

Oats can be used for porridge, overnight oats, flapjacks, muesli and baking.

They also combine extremely well with nuts, seeds and dried fruit.

Rice and Other Grains – approximately 5–8 kg

Rice provides an inexpensive, compact source of carbohydrate.

There is no need for the entire stock to be rice. Some could be replaced by:

• buckwheat
• couscous
• bulgur wheat
• pasta
• other grains

Keeping several types improves variety.

Quick-cooking grains such as couscous also have an advantage during an energy shortage because they require much less cooking than foods such as dried beans.

Dried Lentils and Pulses – approximately 5–8 kg

Dried pulses provide large amounts of protein, fibre and minerals for relatively little money.

Lentils are particularly useful because they generally cook much faster than large dried beans.

Red lentils can be used in soups, curries, dhal and stews and can also be added to tomato-based sauces.

A mixture of lentils and other dried pulses provides greater variety.

Tinned Beans and Pulses – approximately 50–100 tins

Tinned beans take considerably more storage space than dried beans, but they solve an important problem:

they are already cooked.

They can normally be eaten without lengthy cooking, making them particularly useful during a power or fuel interruption.

Possible varieties include:

• kidney beans
• haricot beans
• chickpeas
• butter beans
• cannellini beans
• black beans
• mixed beans

The pantry can therefore contain both dried and tinned pulses.

Dried pulses provide inexpensive bulk reserves while tins provide convenience and resilience.

Tinned Tomatoes – approximately 30–50 tins

Tomatoes provide far more than nutrition.

They turn basic stored ingredients into meals.

A tin of tomatoes combined with beans, lentils, herbs and spices can form the basis of soups, stews, chilli, curry and pasta sauces.

For this reason, tinned tomatoes deserve considerably more space in a practical pantry than their calorie content alone might suggest.

Tinned Peas – approximately 20–30 tins

Tinned peas add vegetables, fibre and additional nutrients while requiring virtually no preparation.

Other tinned vegetables can be substituted according to taste.

Tinned Carrots – approximately 20–30 tins

Carrots provide another shelf-stable vegetable and can be added to soups, stews and curries.

Combining several different stored vegetables is preferable to relying on one.

Other Tinned Vegetables – approximately 20–30 tins

Choose vegetables that are actually eaten regularly.

Possibilities include:

• sweetcorn
• green beans
• mixed vegetables
• potatoes
• spinach or other greens where available

A pantry should be adapted to the people using it. There is little benefit in storing large quantities of a vegetable nobody likes.

Dried Apricots – approximately 2–4 kg

Dried apricots are compact, require no cooking and provide fibre, carbohydrates and useful minerals.

They can be eaten directly or added to oats and other dishes.

Because the water has been removed, dried fruit provides considerably more energy per gram than fresh fruit.

Sultanas or Raisins – approximately 3–5 kg

Sultanas are another compact source of fruit and energy.

They work particularly well with oats, seeds and nuts and can therefore become part of breakfasts, flapjacks and snacks rather than being treated purely as emergency food.

Nuts – approximately 3–5 kg

Nuts are extremely useful pantry foods because they combine:

• high energy density
• protein
• fats
• fibre
• vitamins and minerals
• no cooking requirement

Different nuts provide different nutrients and flavours, so a mixture is preferable where affordable.

Nuts contain oils that can eventually become rancid, so they should be kept cool, dry and airtight and continually rotated rather than being regarded as indefinite-storage foods.

Sunflower and Pumpkin Seeds – approximately 3–5 kg

Seeds provide many of the same advantages as nuts while contributing a different nutritional profile.

Pumpkin seeds are particularly useful for minerals including zinc, while sunflower seeds provide vitamin E and other nutrients.

Seeds can be added to oats, bread and salads or eaten as snacks.

Like nuts, their fat content means they should be rotated.

Tinned Oily Fish – approximately 30–50 tins

Sardines, mackerel and other oily fish provide something that is harder to obtain from grains and pulses alone: long-chain omega-3 fatty acids.

They are also excellent sources of protein, and fish eaten with edible bones, such as some tinned sardines, can provide substantial calcium.

They require no refrigeration while unopened and little or no cooking.

People who do not eat fish would need alternative sources of these nutrients.

Cooking Oil – approximately 2–3 litres

Oil is one of the most space-efficient sources of food energy available.

It is also useful for actually preparing many of the pantry meals.

Different oils have different storage characteristics, so stock should be rotated rather than buying enormous containers intended to sit untouched for years.

Salt – approximately 500 g

Salt is inexpensive, compact and useful for cooking.

However, modern diets can already contain substantial amounts of salt, particularly when tinned and processed foods are included, so storing it does not mean that large quantities should be consumed.

Flour – approximately 3–5 kg

Flour greatly expands what can be made from the pantry.

It can be used for bread, flatbreads, pancakes, sauces and baking.

Wholegrain flour can provide additional nutrients but generally does not keep as long as highly refined flour because it contains more of the grain’s natural oils.

For a rotating pantry this is less problematic because the flour should continually be used and replaced.

Sugar or Honey – approximately 1–3 kg

A small quantity can be useful for baking, preserving and making otherwise plain food more enjoyable.

The objective isn’t to obtain a significant proportion of daily calories from added sugar.

Milk Powder or Long-Life Milk

Milk is difficult to incorporate into an ambient pantry if only fresh milk is normally purchased.

UHT milk provides one solution, although storing 100 days’ worth takes considerable space.

Milk powder is much more compact and can be used for porridge, drinks, sauces and baking.

The most suitable option depends upon personal preference and nutritional requirements.

What About Vitamins?

A carefully designed pantry can provide a large proportion of normal nutritional requirements, but some nutrients are much more difficult to obtain reliably from long-life foods.

Vitamin C can be particularly awkward because many of its richest sources are fresh fruit and vegetables.

Vitamin D is another nutrient for which UK guidance already recommends supplementation during autumn and winter, with some people advised to consider supplementation throughout the year.

Rather than storing huge quantities of food solely to obtain a small amount of a difficult nutrient, an appropriate vitamin supplement can sometimes provide a very compact backup.

Supplements should complement the food supply rather than replace a varied diet.

A No-Cook Reserve Within the Pantry

A 100-day pantry should not assume that cooking facilities will always be available.

Dried beans may keep extremely well, but they require soaking, water and considerable cooking energy.

For that reason, part of the pantry should consist of foods that can be eaten immediately or require very little preparation.

Examples include:

• nuts
• seeds
• dried fruit
• tinned beans
• tinned fish
• ready-to-eat tinned vegetables
• crackers or other suitable long-life foods
• oats

One approach is to ensure that at least the first week or two of the 100-day reserve could be eaten with minimal cooking.

The remainder can then contain a greater proportion of economical dried staples.

How Much Space Does 100 Days of Food Need?

Food for 100 days sounds like an enormous quantity, but dry foods are surprisingly compact.

For one adult consuming roughly 2,000–2,500 calories per day, a predominantly shelf-stable food reserve might contain approximately 80–100 kg of food.

The food itself could occupy roughly 120–150 litres, but real storage requires additional space because tins, jars, packets and containers do not fit together perfectly.

Allowing approximately 200–300 litres of practical storage space per adult is therefore a useful starting point for a mixed pantry containing both dry foods and substantial numbers of tins.

For comparison, a storage area:

1 metre wide × 0.4 metres deep × 0.5 metres of combined usable shelf height = 200 litres.

The 0.5 metres does not have to be one shelf. It could be distributed across several shelves.

A pantry unit approximately one metre wide and 40 cm deep with four or five well-spaced shelves could therefore hold a surprisingly substantial food reserve.

Tins are heavy, so shelving must also be capable of supporting the load.

Don’t Buy Everything at Once

Building a 100-day pantry does not require a huge shopping trip.

A more practical approach is to build it gradually.

If a household normally buys two tins of tomatoes each week, it could buy four for a while. Two are eaten and two go into the reserve.

The same can be done with oats, beans, rice and other staples.

Eventually the target quantity is reached.

From that point onwards, the objective changes from building the pantry to maintaining it.

Restocking the Pantry

Once established, maintaining the reserve should become routine.

The simplest rule is:

Take from the front. Replace at the back.

A permanent marker can be used to make best-before dates easier to see.

Some households may find it useful to divide shelves into categories:

Breakfast and grains

Beans and pulses

Vegetables and tomatoes

Fish and protein

Nuts, seeds and dried fruit

Baking and cooking

Herbs, spices and flavourings

A simple stock list can show the target quantity for each item.

For example:

Tinned tomatoes — Target 40 — Current stock 36 — Buy 4

This makes replenishing the pantry much easier.

Use the Pantry Every Day

Perhaps the most important principle is that the pantry should not be forgotten until something goes wrong.

Use it.

Experiment with different combinations of lentils, beans, tomatoes, grains and spices.

Learn which recipes work.

Find out which foods the household actually enjoys.

Discover which products store well and which ones deteriorate more quickly than expected.

Adjust quantities according to what is actually consumed.

Over time, a collection of unfamiliar emergency ingredients becomes something much more useful:

a well-stocked kitchen containing foods that the household already knows how to turn into meals.

The 100-Day Habit

The ultimate objective is not simply to reach 100 days once.

It is to become accustomed to always having approximately 100 days of essential food available.

When something is eaten, it is replaced.

When tastes change, the stock changes.

When a better or cheaper staple is discovered, the pantry evolves.

Nothing needs to be wasted and the food does not need to sit untouched for years.

Whether the problem is a temporary shortage, severe weather, a prolonged power cut, a financial emergency or simply being unable to get to the shops, the household already has a substantial reserve of familiar food available.

That is the difference between emergency stockpiling and a rotating 100-day pantry.