10-30 YRPROTEIN BASESOAK AND SIMMERWorks without power
Quick facts
- Real shelf lifeUp to 10 years airtight; 20 to 30 years in Mylar with an absorber
- Label date says1 to 2 years
- Best storage
- Mylar
- absorber
- bucket
- cool
- dark
- Watch for
- Mold
- pests
- a musty smell
- beans that will not soften
Where this sits on the food shopping list
Dried beans are the protein of the bucket store: cheap, dense, and good for up to 10 years in a sealed container and 20 to 30 in Mylar with an oxygen absorber beside the rice. A pound is about 1,500 calories and 100 grams of protein, and beans and rice together make the complete protein that neither has alone. The one thing age does to a bean is make it slow to soften, and the second half of this page is about cooking the old ones.
Which to buy
Pinto, black, navy, kidney, great northern and chickpeas are the stock beans; split peas and lentils cook without soaking and have their own page. Buy from a supplier that turns stock over, in 25 or 50 pound bags, and pack them the week they arrive; beans that sat in a warm warehouse for a year are already harder to cook. Mixed sizes from one bag cook unevenly; keep kinds separate.
How long it really lasts
By how it is kept
| Form | Label says | Real, stored well |
|---|---|---|
| Dried beans, Mylar with oxygen absorber, cool | 1 to 2 years | 20 to 30 years; the field guide's Mylar figure |
| Dried beans, airtight jar or bucket, cool | Up to 10 years; harder to cook each year after about 2 | |
| Dried beans, original bag on the shelf | 1 to 2 years at best cooking quality | |
| Cooked beans, refrigerated | 3 to 5 days; 6 months frozen |

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What to store, how much of it for one person for one month, and how long it keeps. One page with checkboxes, built from the Survival Foods field guide. Print it, multiply by your people and months, and take it to the store.
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How to store it
Cool, dark and dry, in something airtight. The original bag or box is fine for the months you will use it in; for the years, the answer is the same as for rice: a Mylar bag with an oxygen absorber inside a food-grade bucket, which keeps out oxygen, moisture, light and every insect egg that came home from the mill. The Mylar ranking says which foods take an absorber and which do not.
A 5 gallon bucket holds about 35 pounds of beans. Beans are dry enough for an absorber. Keep them cool: beans stored warm lose the ability to soak up water and turn into the hard beans that never soften, which is a storage problem, not a safety one.
How to tell it has turned
Look for mold, webbing, holes or beetles and smell for mustiness; any of those and the bag goes. Beans that are sound but old have faded color and a wrinkled skin, and they will take longer to cook. The test for an old lot is to soak and cook a cup: if it softens, the lot is good; if it stays rock-hard after a long simmer, the lot is for the pressure cooker and the grinder, not the stew pot.
Faded, wrinkled beans that are dry and clean smelling; a lot that takes twice as long to soften.
Mold, a musty smell, webbing, holes, larvae or beetles.
How much, and how to use it
A cup of dry beans makes about three cups cooked and is three servings; plan on a pound per person per week with the rice. Soak overnight in three times their volume of water (or boil two minutes and let stand an hour), drain, and simmer 1 to 2 hours in fresh water with the salt added at the end. For old beans: a quarter teaspoon of baking soda per quart of soaking water softens the skins, and a pressure cooker brings a 2 hour bean to 30 minutes; beans that still will not soften grind into flour for soups and refried beans. Never eat kidney beans raw or undercooked; ten minutes at a full boil destroys the toxin before the simmer.
When the power goes out
Beans are the fuel-hungry staple, which is why the canned ones are on the shelf for the first weeks. A thermal cooker or a pot wrapped in blankets after a ten minute boil finishes beans with almost no fuel, and a solar cooker does it on a clear day. Soak them the night before every time.
Shelf-life figures are from the Survival Foods field guide; fridge, freezer and pantry times are from the USDA cold and pantry storage charts. Run the look, smell, taste check before eating anything past its date.
Questions this answers
Tap a question for the short answer.
How long does dried beans last?
Dried beans last up to 10 years when stored airtight and cool, even though the label date says 1 to 2 years. Packed in Mylar with an oxygen absorber, my field guide notes put beans at 20 to 30 years.
How do I store dried beans long term?
Mylar with an oxygen absorber inside a food-grade bucket, cool and dark; about 35 pounds to a bucket. Heat is what makes stored beans hard, so keep them out of the garage.
How do I tell if dried beans has gone bad?
Look for mold, pests, or a musty smell. Then soak and cook a small sample: beans that stay rock-hard after soaking and cooking, or taste off, are past their useful life.
How long do dried beans last?
Up to 10 years airtight and cool, against a label of 1 to 2 years, and 20 to 30 years sealed in Mylar with an oxygen absorber. Older beans stay edible but take longer to soften.
How do I tell if dried beans have gone bad?
Mold, a musty smell, webbing, holes or beetles. Faded color and wrinkled skins are age; soak and cook a cup to test a lot.
How do you cook old dried beans that stay hard?
Soak overnight with a quarter teaspoon of baking soda per quart of water, then pressure cook 30 to 40 minutes. Beans that still will not soften are ground into flour for soups and refried beans.
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