Nigella seeds look like black sesame seeds but taste like a mix of fried onions and oregano. Sometimes labeled kalonji, calonji or onion seeds, they add an herbaceous fragrance and light crackly ...

First up — Nigella seeds (pronounced like the spoon-licking celeb chef) go by a whole load of different aliases. Kalonji, black seeds, black cumin, black onion seed, black sesame seed, fennel flower, ...