A scallion, also known as a green onion, is a type of vegetable that belongs to the Allium family, which includes onions, garlic, and leeks. It has a long, slender green stalk and a small white bulb at the base. Scallions are often used in cooking for their mild flavor and can be eaten raw in salads or cooked in various dishes. Scallions are rich in vitamins A, C, and K, as well as antioxidants. They are low in calories and can add a fresh taste to meals. Commonly found in cuisines around the world, scallions are versatile and can be used in soups, stir-fries, and as a garnish.