The Pairing Library
Chilli heat — flavouring profile
Heat is not a flavour and it is not really a clash: it is a burn, and what a wine does about it is either make it worse or make it manageable.
The compounds that matter. Capsaicin binds to the receptor that also registers physical heat, which is why chilli reads as burning rather than tasting of anything. Two things move it. Ethanol opens that same receptor, so the higher the alcohol in the glass, the hotter the plate becomes: a fifteen per cent red on a fierce curry pours petrol on the fire. Residual sugar competes at the receptor and dampens the burn, which is why a little sweetness in the wine is the single most reliable relief there is. Carbonation helps separately, by physically dispersing the capsaicin rather than by chemistry.
How severe it is depends on two dials, not one. The heat of the dish is the first, and a jalapeno is not a vindaloo. The second is what the wine would add: a low-alcohol off-dry white never lights the fire at all, so the same dish that is impossible with one bottle is comfortable with another. This is a problem you avoid by choosing well rather than one baked into the plate, and many people actively want the heat, which is never true of a genuine clash.
What it demands of a wine. Low alcohol above everything, then a touch of residual sugar, then acidity to keep it from cloying, then bubbles where the dish is also fried or fatty. Tannin should be low or absent, since heat sharpens astringency. Oak adds nothing and usually harms.
Seek
Off-dry German Riesling is the benchmark and the Mosel is where to look: at eight or nine per cent alcohol with real sweetness and searing acid, a Kabinett is almost purpose-built for capsaicin. Spatlese does the same with more weight for a richer curry. Cava is the sparkling answer here specifically, its leaner mineral spine earning its place against the heat where a softer fizz would be swamped. Aromatic Alsace whites suit spice that is fragrant rather than fierce. Where a red is wanted it must be light, low in tannin and low in alcohol, and served cool.
Avoid
High-alcohol reds of any kind, which is the mistake that ruins more spicy meals than everything else combined. Tannic reds, since heat and astringency sharpen each other. Oaked whites. Bone-dry wines with no sugar at all to soften the burn.
Three to reach for. A Riesling Kabinett from the Mosel for genuinely fiery food. A Cava for anything both spicy and fried. A dry Gewurztraminer from Alsace where the spice is aromatic rather than hot.