Ajwain (Carom Seeds) are the seeds of the ajwain herb . They are common in Indian cuisine. They’re slightly green to brown in color and have a pungent, bitter taste. They look similar to cumin seeds, but their taste and aroma are closer to that of thyme. Carom seeds are incredibly nutritious, being rich in fiber, antioxidants, and other vitamins and minerals. Because of this, they have been associated with health benefits and long been used in traditional Indian medicine practices.