Pistachio Cake with Cream Cheese Frosting

1 package White cake mix

Eggs 1/2 cup Milk

1/2 cup Water

1/2 cup Oil

2 4 oz. packag instant pistachio pudd.

1/2 cup Chopped walnuts (Optional)

-----CREAM CHEESE FROSTING----- 3 teaspoons Butter; or marg softened

6 ounces Cream cheese; softened

1 1/4 cups Powdered sugar

1/4 teaspoon Vanilla.

Combine all ingredients. Bake at 350 for 45-60 minutes in greased tube pan. Remove from oven; let cool and remove from pan. CREAM CHEESE FROSTING: Combine all ingredients and frost cooled cake.