1 pkg. Duncan Hines yellow cake mix
1 pkg. pistachio instant pudding
4 eggs
1/2 c. oil
1/2 c. chopped walnuts
1 c. Club soda

ICING:

1 pkg. pistachio instant pudding
1 c. milk
1/2 pt. heavy cream
2 tsp. sugar

Mix all ingredients together for 5 minutes. Bake for 45 to 55 minutes at 350 degrees in tube pan. Beat all icing ingredients together until smooth. Ice the cake. Decorate with walnut pieces on top of cake.