Black Russian

The Black Russian is one of those cocktails that proves restraint can be a virtue. Two ingredients, a heavy glass, a generous lump of ice — and that is all you need for a drink that has held its place behind hotel bars since the late 1940s. Belgian bartender Gustave Tops is credited with mixing the first one in Brussels for an American ambassador, and the formula has barely shifted since. Vodka brings the backbone, coffee liqueur brings the sweetness and the slow, roasted depth, and the ice does the rest.

Why it works in winter

A Black Russian is short, dark and unhurried — qualities that suit a cold evening better than almost any tall drink. The coffee liqueur thickens the texture just enough to coat the glass, and the vodka keeps everything clean rather than cloying. There is no juice, no shake, no fuss. You can hold the glass in one hand while the other rests on a book or the arm of a sofa, and the drink will look after itself for a good twenty minutes.

Getting the balance right

The default 2.5:1 ratio is a fine starting point, but the proportions are worth tuning to the bottle in front of you. A drier vodka and a sweeter liqueur such as Kahlúa lean naturally toward dessert; a sharper coffee liqueur like Mr Black wants slightly more vodka to keep it in check. Always stir rather than shake — the goal is a glossy, almost syrupy surface, not a foamy one. A single large ice cube melts more slowly and keeps the dilution gentle, so the second sip tastes much like the first.

A twist of lemon, expressed over the top and dropped in, is optional but lifts the aroma noticeably. Skip it if you want the drink at its most brooding.