1 pkg. Duncan Hines white cake mix
1 pkg. Royal instant pistachio pudding mix (add dry)
1 c. vegetable oil or 1 stick butter
1/2 c. finely chopped nuts, walnuts or pecans
3 eggs
1 c. club soda

Blend cake mix and pudding mix. Add eggs, oil, club soda and nuts. Mix together until blended and beat for 4 minutes at medium speed. Grease and flour a bundt pan or 2 loaf pans. Bake at 350 degrees for 45 to 50 minutes. Turn out onto cake plate after cooling at least 20 minutes.