Onion chives, scientifically known as Allium schoenoprasum, are slender, grass-like herbs with a mild onion flavor. These delicate green leaves are popular culinary additions, often used as a garnish or ingredient to provide a subtle onion taste to various dishes. They are commonly used in salads, soups, omelets, and as a topping for baked potatoes. Onion chives are easy to grow and are prized for their fresh, aromatic essence, making them a favorite herb in many kitchens around the world.