1 (1 lb., 1 oz.) box white cake mix
1 (3 oz.) box instant pistachio pudding
1 c. 7-Up
Pistachio Frosting (see below)
3 eggs
1 c. Crisco oil
2 oz. chopped walnuts

Combine all ingredients except pistachio frosting in mixing bowl and beat 2 minutes. Pour into 9 x 13 inch sheet pan and bake in a 325 degree oven for 30-35 minutes, or until cake tests done. Cool on rack and frost.

PISTACHIO FROSTING:

1 (1 lb.) container of whipped topping
1 (3 oz.) box instant pistachio pudding
Cocoa powder

Combine and beat at low speed for a few minutes. Turn mixer to high and continue beating a few more minutes. Frost cake, dust lightly with cocoa powder.