1 package (18 1/4 oz) yellow cake mix
3 packages (3-4 oz) instant pudding-Pistachio flavor
1 Cup Water
1 Cup Vegetable Oil
Combine ingredients in mixing bowl. Beat at low speed for 1 minute. Pour into greased 9 inch fluted (Bundt) pan. Bake at 350 degrees for 60-70 or until toothpick inserted near center comes out clean.
Cool 10 minutes before removing from pan to a wire rack to cool completely. Drizzle glaze over cake.
1 Cup Powdered Sugar
1 teaspoon Butter or Margarine
2-3 Tablespoons Milk