1 box white cake mix
1 box instant pistachio pudding mix
3 eggs
1 cup cooking oil
1 cup club soda water
1/2 cup nuts, chopped

Mix the first five ingredients at medium speed for two minutes. Fold in nuts. Pour in a greased and floured tube pan and bake at 350 for 45-55 minutes.
Frosting:
1 box instant pistachio pudding mix
1 envelope Dream Whip
1-1/4 cups cold milk

Mix according to directions on Dream Whip box. Spread on cooled cake.