Nigella — flavouring profile

Nigella, the little black "onion seed" (kalonji) scattered over naan and flatbreads, has a toasted, faintly oniony, herbal-peppery savour — gentle but distinctive — so it asks for a fresh, high-acid white with a green or savoury edge rather than anything sweet or heavy.

The compounds that matter. The seed's character comes mainly from thymoquinone, with p-cymene and a little carvone, giving a savoury, herbal, slightly bitter-peppery note that turns toasted and nutty when baked. It carries no heat and no sweetness, and a faint bitterness at most. Nigella is almost always a topping — on naan, breads, savoury pastries, cheeses and pickles, or in a Bengali five-spice — so its own quiet, toasted-herbal note rides on whatever it crowns, and the wine should meet that savour without drowning it.

What it demands of a wine. High acid and a green, herbal or savoury character to chime with the toasted, peppery seed. Light to medium body, since nigella is a grace note rather than a centrepiece, and restraint over power. No sweetness to clash with the savour, little or no oak, and where the seed tops a rich savoury bake, a wine with some lift or sparkle to cut it. Where nigella simply garnishes a curry or rich dish, follow the dish: the seed itself asks for little.

Seek. Fresh, high-acid, savoury whites lead. A peppery, green-herbal white meets the toasted, faintly oniony note head-on. A saline, citrus-and-herb white does the same with a mineral edge for cheeses and savoury pastries. For flatbreads, straws and savoury bakes, a dry traditional-method sparkling brings a toasty, biscuity note and bubbles to lift the richness.

Avoid. Sweet wines, which find nothing sweet to meet. Heavily oaked, full-bodied whites, whose vanilla buries a quiet savour. Big, tannic reds, far too much for a seed that mostly garnishes.

Three to reach for. Grüner Veltliner (Wachau); Assyrtiko (Santorini); a dry traditional-method sparkling (Crémant).