Black Onion Seeds, also known as: Black Cumin, Kalonji, Klowunji and Nigella Seeds, Nigella Sativa.
It is an annual species of flowering plant that is common in South Asia and Southwest Asia.
Nigella seeds are used as a spice in Indian and Middle Eastern cuisines. The seeds taste like a combination of onion, black pepper and oregano. They have a sharp bitter taste and smell.
Dry roasted seeds are suitable for flavoring curries, vegetables, legumes, bread products, chicken dishes and salads. Black onion seeds are also an important ingredient in the panch phoron five spice mix used in the marinade. They are also used in Armenian cheese products.