Leeks are a herbaceous and edible plant that belongs to the onion, garlic and chive family. Leeks have a long, thin stem that can grow up to 1 meter tall and have long, flat leaves. Unlike onions, the leek bulb is small and elongated, located at the base of the stem. Leeks are native to Europe, but are grown throughout the world. They are a versatile vegetable and can be used in a wide variety of dishes, such as soups, stews, stir-fries, roasts, and salads. Leeks have a mild, sweet flavor that resembles onions, but is more delicate. Leeks are a good source of vitamins and minerals, including vitamin C, vitamin K, folic acid, potassium and iron. They also contain dietary fiber and antioxidant compounds. When cooking leeks, it is important to cut them and clean them well to remove the dirt and sand that accumulates between the leaves. Leeks can be sautéed, roasted, steamed, or boiled, and used in a variety of dishes to add flavor and nutrition.