1 lg. angel food cake
6 Butterfinger candy bars
4 egg yolks
14 oz. Cool Whip
1 stick butter
2 c. powdered sugar

Cut 1/2 of cake into bottom of 9 x 13 inch dish. Mix all other ingredients except Butterfingers. Pour 1/2 of mixture over cake. Crumble candy bars. Pour 1/2 of candy bars over mixture. Repeat layers.