Frozen Dessert - cooking recipe

Ingredients

4 c. crushed vanilla wafer crumbs
3/4 c. butter (not margarine)
3 sq. unsweetened chocolate
3 c. powdered sugar
4 egg yolks
4 egg whites, beaten
1 1/2 tsp. vanilla
1/2 gal. ice cream (use vanilla for the Christmas dinner)

Preparation

Place 2 cups crushed vanilla wafer crumbs in bottom of a 9 x 13-inch pan.
Melt butter and chocolate in a double boiler.
Add powdered sugar and blend.
Add egg yolks, one at a time and heat thoroughly.
Fold in beaten egg whites.
Add vanilla.
Spoon chocolate mixture gently over crushed wafers.
Slice ice cream approximately 1-inch thick and set on top of chocolate layer. Sprinkle remaining wafers on top.
Freeze until firm.