1 yellow cake mix (no pudding)
1 lg. pudding instant chocolate
2 eggs
2 c. water

FROSTING:

1/4 c. soft butter
2 egg yolks
1 c. powdered sugar
8 oz. Cool Whip
3 Skor bars, crushed

Mix until fluffy and bake at 350 degrees for 35 minutes. Cool. Mix frosting and spread on cake.