Curry leaf — flavouring profile

Despite the name, curry leaf is not curry powder and barely citrus at all — its real signature is a savoury, nutty, resinous aroma that blooms when the leaf is tempered in hot oil, so it asks for a high-acid white with green-herbal depth rather than a simple citrus mirror.

The compounds that matter. Curry leaf (Murraya koenigii) belongs to the citrus family, so it carries some pinene and limonene, but its defining character comes from woody, peppery sesquiterpenes — chiefly beta-caryophyllene — and a green, slightly resinous edge. The flavour is released and transformed by tempering: dropped into hot oil or ghee, usually alongside mustard seeds, the leaf turns nutty and toasty and gives South Indian dal, sambar and seafood their backbone. So the pairing meets two things at once — a green, herbal-resinous aroma, and the richness of the fat it is fried in — over dishes that are usually high in acid from tamarind, tomato or lentil.

What it demands of a wine. High acid first, to match the tamarind-and-lentil base and to cut the tempering fat. Then a green, herbal or peppery character to bridge the leaf's resinous side rather than a pure citrus note. A little texture is welcome where the dish is rich with ghee or coconut, but oak should stay light, since heavy vanilla and toast bury the savoury herb. Modest alcohol, and a touch of sweetness only where chilli rides in the tempering.

Seek. Green, herbal, high-acid whites lead. A peppery, lentil-and-green-herb white is an uncanny match for dal and sambar. A fennel-and-anise-tinged white bridges the resinous, savoury side. Where the dish is rich with ghee or coconut, a textured dry white with high acid carries the weight without smothering the herb. For South Indian meat dishes, a fresh, low-tannin red also sits well.

Avoid. Heavily oaked, full-bodied whites and reds, whose vanilla and weight flatten the savoury, herbal note. Low-acid aromatic whites, which fall short against the tamarind acidity. Tannic, high-alcohol reds, which turn hard against the spice and the fat.

Three to reach for. Grüner Veltliner (Wachau); Verdejo (Rueda); Chenin Blanc, dry (Vouvray).