Cheese Cake - cooking recipe

Ingredients

3 (8 oz.) pkg. cream cheese
4 egg whites, beaten stiff
1 c. sugar
1 tsp. vanilla
2/3 c. zwieback crumbs (5 or 6 cookies)
2 c. sour cream
2 Tbsp. sugar
1/2 tsp. vanilla

Preparation

Mix together and spread over top.
Bake 5 minutes longer at 475\u00b0.