1 white cake mix
4 tbsp. creme de menthe (green)
1 can Hershey's fudge frosting
1 small container Cool Whip (8 oz.)
6 tbsp. creme de menthe (green)

Prepare cake mix according to package directions, adding the 4 tablespoons creme de menthe.

Bake and cool. Spread frosting over entire cake. Combine Cool Whip and 6 tablespoons creme de menthe. Spread on top of the frosting. Refrigerate.