Butterfinger Dessert - cooking recipe

Ingredients

angel food cake
1/2 c. butter
2 c. powdered sugar
2 tsp. vanilla
4 beaten egg yolks
1 small Cool Whip
crushed Butterfinger bar
nuts

Preparation

Cut angel food cake into slices to cover bottom of 9 x 13-inch pan.
Make filling in small saucepan; butter, powdered sugar, vanilla and egg yolks.
Cook through but do not boil.
Stir constantly.
Set aside to cool.