1 pkg. white or yellow cake mix
2 pkgs. pistachio pudding
3 eggs
1 c. oil
1 c. 7-Up
1/2 c. walnuts, optional
1 1/2 c. milk
8 oz. Cool Whip

Mix cake and all ingredients except nnuts. Beat 4 minutes. Add uts. Bake in greased 9x13 pan at 350 degrees for 3-35 minutes.

FROSTING:

Beat 1 package pistachio pudding and milk for 2 minutes. Fold in Cool Whip.