Watergate Cake - cooking recipe

Ingredients

1 pkg. white cake mix
2 small pkg. pistachio instant pudding mix
3/4 c. cooking oil
1/2 c. walnuts
3 eggs
1 c. club soda
12 oz. cool whip
1 1/4 c. cold milk

Preparation

Mix cake mix with 1 package of pudding, oil, walnuts, eggs and club soda. Bake at 350\u00b0 for 35 to 40 minutes in a 9 X 13 pan. After cake cools, dissolve remaining pudding mix in cold milk. Add cool whip and beat until thick. Spread on cooled cake and refrigerate to let frosting set. Serve chilled.