Three liqueurs layered by density — Kahlúa's coffee richness on the bottom, Irish Cream's dairy in the middle, Grand Marnier's orange Cognac floating on top — the B-52 is as much technique demonstration as drink. Best consumed as a shot before the layers dissolve.
built · shot glass · none
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Pour Kahlúa into a shot glass.
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Carefully float Irish cream on top using the back of a bar spoon.
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Float cognac on top in the same manner. Serve immediately.