Onion seeds, also known as Nigella seeds or kalonji, are small, black, tear-shaped seeds derived from the flowering plant Nigella sativa. These seeds are widely recognized for their distinct, slightly bitter flavor and crunchy texture, making them a popular ingredient in various culinary and medicinal applications. Onion seeds are commonly used as a spice, seasoning, or garnish in Indian, Middle Eastern, and Mediterranean cuisines.
