Onions are a bulb vegetable that is native to Central Asia. They are a good source of vitamins C and K, as well as fiber. Onions can be eaten cooked or raw. When cooked, onions become soft and sweet. They can be used in a variety of dishes, such as soups, stews, and salads.
The specifications for onions may also include requirements for other factors, such as the absence of insects, the storage conditions, and the variety of onion.
