1 box Duncan Hines white cake mix (new pudding one)
1/2 c. green creme de menthe
1 jar or can Hershey's chocolate
Fudge ice cream topping
9 oz. Cool Whip

Follow directions on white cake mix. When mixed, add 1/4 cup creme de menthe. Bake in a 9x13x2 inch pan according to directions. Cool and cover with Hershey's chocolate fudge ice cream topping (the whole large can) and refrigerate.

Just before serving, put 1/4 cup green creme de menthe into a 9 oz. Cool Whip and frost over the fudge.