Betty'S Cheese Cake
["3 (8 oz.) pkg. cream cheese", "4 egg whites", "1 c. sugar", "1 tsp. vanilla", "4 to 6 zwieback (baby's teething toast)", "2 c. sour cream", "2 Tbsp. sugar", "1/2 tsp. vanilla", "strawberries or other fruit"]
["Crush zwieback and put into 8-inch spring pan, lightly buttered.", "Set out cream cheese to soften.", "Beat 4 egg whites until stiff.", "Blend in 1 cup sugar.", "Set aside.", "Beat cream cheese until smooth.", "Add egg white mixture and vanilla.", "Blend well until smooth.", "Pour into 8-inch spring pan.", "Bake 25 minutes at 350\u00b0. Mix sour cream, 2 tablespoons sugar, 1/2 teaspoon vanilla and spread on top.", "Bake 5 minutes at 475\u00b0.", "Chill 2 hours.", "Turn upside down and serve with fruit."]
["cream cheese", "egg whites", "sugar", "vanilla", "zwieback", "sour cream", "sugar", "vanilla", "strawberries"]