CAKE:

1 yellow cake mix
2 tbsp. oil
1 pkg. instant chocolate pudding
2 egg whites
2 c. lukewarm water

FROSTING:

1 c. powdered sugar
1/4 c. butter
2 egg yolks
8 oz. Cool Whip
4 oz. cream cheese
4 Heath bars, crumbled

Put mix into a large bowl, add ingredients as listed. Pour into greased 9x13 inch pan. Bake cake as directed on package for the baking time.

FROSTING: Cream butter; add powdered sugar, egg yolks, cream cheese and beat. Add Cool Whip. Cover cooled cake and sprinkle broken Heath bars on top.