Safe Dehydrated White Onion is supplied by us that can be used as a substitute for fresh onions in liquid-based recipes such as casseroles, chili, sauces, soup, and stews. The dried onions absorb moisture and reconstitutes as the dish cooks. It is one that has been exposed to a low level of heat until all of the moisture has been removed. This helps to preserve the onion so that it keeps almost indefinitely, as long as it is dry enough. Typically it is sliced, flaked, or chopped, and can be purchased commercially or made at home. Dehydrated White Onion is very delicious.