1. Mix all ingredients together and follow the baking insturctions that are on the cake box. 2. Remove from oven and let it cool for 15 minutes. 3. Poke small holes in the top of the cake. 4. Mix 1 oz. 5. of Kahlua with 3 oz. 6. of water and drizzle on the top of the cake. 7. Cut and serve with Cool Whip on the top.