Chives have a similar flavor to onions. They belong to the same genus, Allium, which also includes garlic and shallots. Chives have a mild onion flavor and are commonly used as a garnish in dishes such as salads, soups, and baked potatoes. They can also be used in dips and spreads for added flavor. Chives are a good source of vitamins A and C and are low in calories, making them a healthy addition to any meal.