A leek is a vegetable that belongs to the allium family, which also includes onions, garlic, and shallots. It has a long, cylindrical shape with a white base and green leaves. Leeks are known for their mild, sweet flavor and are often used in soups, stews, and various dishes. Leeks are rich in vitamins A, C, and K, as well as minerals like manganese and iron. They can be eaten raw in salads or cooked in a variety of ways, such as sautéing, roasting, or boiling. Their versatility makes them a popular ingredient in many cuisines around the world.