The fruit's juice is so sour and bitter it's barely edible on its own — cooks throw out the pulp entirely and use only the thick rind, which turns fragrant and faintly bitter once it hits the pot.
Chunks of shatkora — a knobby, semi-wild citrus grown almost exclusively around Sylhet — are simmered into a beef or goat curry, where the rind's sharp aroma cuts through the richness of the meat. It's a fixture of Sylheti wedding and feast menus, sold hot at roadside eateries across the division.