Kalonji, also called nigella, refers to small black seeds grown on Kalonji bushes, which are grown widely through India. Kalonji is used in cooking traditional Indian foods, and as an herbal remedy that has been touted as the magic bullet for a variety of ailments. Kalonji seeds are about the same size as sesame seeds, though they have a more triangular instead of oval shape. In foods, you'll find kalonji seeds in a variety of recipes.
