1 pkg. white cake mix
1 pkg. instant pistachio pudding
1/2 c. soft butter
1 c. water
1 pkg. Dream Whip

Reserve 2 tablespoons pudding mix to be used for topping. Beat together cake mix, remaining pudding mix, butter and water for 3 minutes on medium speed. Pour into greased 9 x 13 inch pan and bake 35 to 40 minutes.

TOPPING:

Whip 1 envelope Dream Whip with 2 tablespoons pistachio pudding mix according to whipped topping directions. Spread over cake. Store in refrigerator.