Adapted from "The Bartender's Black Book"
1 ounce dark rum
3/4 ounce Kahlua (or other coffee liqueur)
1 ounce dark crème de cacao
Cinnamon stick for garnish
Add the rum, coffee liqueur and creme de cacao to an Irish coffee mug. Fill with black coffee, stir, top with whipped cream and garnish with a cinnamon stick.