are also known as green onions and refer to a distinct variety of immature onions. The vegetable has a white base that has not fully developed into a bulb and green leaves that are long and straight. Both parts are edible. Store in the refrigerator, wrapped for up to five days. They can be eaten raw or cooked in numerous dishes from soups to salads.
The name scallion is used generically for a variety of onions with fresh green stems and underdeveloped white bulbs. Also called green onions, they are available year round, keep for 3 to 5 days in the refrigerator and add a fresh mild onion flavor to dishes. It is best to add them late in the cooking time of a dish so they will maintain their flavor.