The Brandy Alexander is the cream cocktail that earned tenure. Equal parts cognac, dark crème de cacao, and cream, shaken cold and dusted with nutmeg — it drinks like chocolate silk with a warm brandy floor, and it has survived a century of fashion cycles that killed lesser dessert drinks. It was famously John Lennon's drink during his 1974 "Lost Weekend"; he reportedly likened it to a milkshake, which is both accurate and the entire point.
A dessert you can toast with — chocolate silk over a warm brandy floor.
History
The Alexander began as a gin drink — the earliest printed recipe is Hugo Ensslin's, in 1916 New York — and the brandy version overtook its parent sometime between the wars, becoming the default Alexander by mid-century. Who first made the swap is undocumented, as is every colorful naming story attached to the drink; none of them survives scrutiny, so we'll leave the name a mystery. Its cultural peak came later: a supper-club staple of the 1950s–70s, and the drink of choice during Lennon's LA exile.
The Spec
Equal parts is classic and correct for dessert service; nudging the cognac up (1 1/2 : 1 : 1) makes a drier, more grown-up glass. The nutmeg is not optional — its aromatic bite is the drink's only counterweight.
Dark Cacao, Not White
Dark crème de cacao brings a roasted, bittersweet chocolate note and the drink's café-au-lait color; white cacao makes a paler, candy-sweeter glass. Quality matters — the liqueur is a third of the recipe.
Shake It Hard, Grate It Fresh
Cream needs a real shake — a full fifteen seconds — to aerate into velvet rather than sitting heavy. And grate whole nutmeg over the surface at service; pre-ground dust from a jar is a rumor of the real thing.
Bottom Line
The Brandy Alexander remains the standard against which dessert cocktails are measured: three ingredients, zero irony, complete success. Serve it in place of dessert, not alongside one.