Cheese Cake
["22 graham crackers, rolled", "1/4 lb. butter, melted", "2 Tbsp. sugar", "2 (8 oz.) pkg. Philadelphia cream cheese", "1 c. sugar", "1 tsp. vanilla", "4 egg yolks", "4 egg whites", "1/2 pt. sour cream", "2 Tbsp. sugar"]
["Mix", "graham", "crackers,\tbutter\tand 2 tablespoons sugar thoroughly.", "Press onto bottom and sides of 9-inch spring-form pan."]
["graham crackers", "butter", "sugar", "Philadelphia cream cheese", "sugar", "vanilla", "egg yolks", "egg whites", "sour cream", "sugar"]