1 pkg. white cake mix
3 tbsp. Creme de Menthe
2 tbsp. butter
1 can Hershey fudge topping
1 Cool Whip

Mix cake according to instructions. Add the creme de menthe and melted butter; bake according to cake instructions.

Cool cake. Frost with fudge topping. Cover the fudge topping with Cool Whip to which 3 tablespoons of creme de menthe has been added.