1 box white cake mix
3 eggs
3/4 c. oil
1 pkg. pistachio pudding
1 c. club soda
1/2 c. pecans (optional)
Bundt pan

ICING:

2 pkgs. Dream Whip
1 pkg. pistachio pudding
1 1/2 c. cold milk

Combine cake mix, eggs, oil, pudding, club soda, and pecans; mix well. Bake at 350 degrees for 40 to 45 minutes. When cake is cooled, mix together all ingredients for the icing. Whip until fluffy. Put on cooled cake.