1 angel food cake
4 egg yolks
1/4 c. butter
1 box powdered sugar
1 lg. carton Cool Whip
3 Butterfinger candy bars, crushed

Bake cake as package directs. Cool. Break into pieces and distribute over 9 x 13 inch pan. Mix together yolks, butter and sugar; add Cool Whip. Spread 1/2 of mixture over cake. Sprinkle with 1/2 crushed candy bars. Repeat with remaining mixture and candy. Refrigerate.