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Kopi tubruk

Kopi tubruk is Indonesia's everyday coffee: fine coffee and sugar in a glass, boiling water poured on, left to settle and drunk unfiltered. How to make it.

Kopi tubruk is Indonesia’s everyday coffee: finely ground coffee and sugar in a glass, boiling water poured over, stirred and left to settle.

Nothing is filtered. The grounds sink and you drink from the top.

Why it works

Indonesian coffee is heavy-bodied and low in acidity — wet-hulled Sumatran especially — which suits a method that produces a thick, unfiltered brew. A delicate washed Ethiopian would be lost.

The sugar is usually added generously and stirred in at the start, dissolving in the hot water.

Making one

Two heaped teaspoons of finely ground coffee — finer than filter, not quite Turkish — and sugar to taste in a heatproof glass.

Pour boiling water directly on, stir once, and wait three to four minutes for the grounds to settle.

Drink from the top and stop before the sludge.

The relatives

Kopi tubruk is Java and Bali. Turkish coffee simmers the grounds rather than steeping them. Cowboy coffee in the American west is the same idea with a coarser grind.

Nearly every coffee-growing culture has some version, because it needs no equipment at all.

Kopi luwak

Indonesia’s other famous coffee is the civet one, and it is worth saying plainly: it is a novelty with serious animal welfare problems and no quality justification.

Which coffee to use

Indonesian grocery stores sell pre-ground tubruk coffee, often a dark robusta, sometimes with corn or rice mixed in at the cheap end. A dark-roast Sumatra or Java arabica ground fine gives a cleaner, sweeter glass. Pour the water just off the boil and, if the grounds will not sink, tap the side of the glass or add a splash of cold water.

What you need to make it

The equipment this actually requires — not a shopping list, the shortest route to doing it properly.