01Vinegarassess the amount and the complete sauce.Try a lively wine; if acidity dominates the whole dish, reduce the ambition of the pairing rather than promising perfect harmony.
02Chilliseek moderate alcohol and discreet tannins; a little sweetness can help.A suggestion to test: off-dry Riesling.Also ask how much heat the guest enjoys.
03Chocolatedistinguish bitter cocoa, milk chocolate and very sweet dessert.A starting point to test: ruby Port with chocolate dessert, checking that sweetness and power remain balanced.
04Caramelconsider sugar, butter and possible bitterness.A starting point to test: tawny or sweet Madeira, echoing dried-fruit notes.