How to buy: If purchasing dried beans, make sure to buy them from a busy store — older beans will take longer to cook. Look for beans that are whole and not too broken. When buying canned beans, do not buy cans with dents in them or any visible rusting.
Storage: Use cooked beans within 3 days. Canned beans should be drained and rinsed, to remove excess sodium then stored in an airtight container for up to three days. Keep dried beans in a cool dark place.
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