Butterfinger Cake
["1 angel food cake, baked", "1 stick margarine", "4 egg yolks", "2 c. powdered sugar", "1 (14 oz.) Cool Whip", "6 Butterfinger candy bars"]
["Crumble 1/2 cake in bottom of 13 x 9 x 2-inch pan.", "Cream margarine, add egg yolks and powdered sugar; mix well.", "Stir in Cool Whip.", "Spread 1/2 mixture on top of cake.", "Crumble 3 candy bars on top.", "Repeat procedure using remaining cake,", "creamed mixture and candy bars.", "Chill 1 hour before serving."]
["cake", "margarine", "egg yolks", "powdered sugar", "Butterfinger"]