1 white cake mix
1 reg. can Hershey hot fudge topping
1/2 c. creme de menthe cordial liqueur
1 (9 oz.) Cool Whip

Mix the cake mix following directions except use 1/4 cup less water and put in 1/4 cup creme de menthe. Bake as usual; cool, spread the fudge topping over the cake. Mix 1/4 cup creme de menthe into the Cool Whip topping and spread on top of the fudge. You may wish to sprinkle a little grated chocolate on the top for color.