Add 1.5 oz (45 ml) vodka to a rocks glass filled with ice
Add 1 oz (30 ml) coffee liqueur (Kahlúa or similar)
Gently pour 0.5–0.75 oz (15–22 ml) cream liqueur (Baileys or similar) over the back of a spoon to layer
Stir lightly or serve layered
Optional: garnish with a few coffee beans