2 oz of Tequila
1/2 oz of Lemon Juice
1/2 oz of dark creme de cacao (or chocolate liqueur)
4 oz of strong coffee (or coffee)
Pour tequila, lemon juice, dark creme de cacao and coffee (cooled to room temperature) into an irish coffee cup or irish coffee glass almost filled with crushed ice. Stir well, and serve.