CRUST:

12 oz. vanilla wafers
1 1/4 sticks butter

FILLING:

12 oz. chocolate chips
1 oz. bitter chocolate
4 tbsp. sugar
6 tbsp. milk
8 egg yolks
2 tsp. vanilla

TOPPING:

1 pt. cream
2 tbsp. powdered sugar
1 tbsp. vanilla

Combine crushed vanilla wafers with butter. Put in greased cheesecake pan. Bake at 350 degrees for 5 minutes. Melt chocolate, sugar and milk in double boiler. Cool. Beat egg yolks and vanilla. Add to cooled chocolate mixture. Beat egg whites and fold in mixture. Put on wafer crust. Refrigerate. Add whipped topping mixture before serving.