Cheese Cake
["1 (3 lb.) container Polly-o-Ricotta", "2 c. sugar", "1/2 c. sifted flour", "graham cracker crumbs", "8 egg yolks", "1 tsp. vanilla", "1/2 c. cream, whipped", "8 egg whites"]
["Beat Ricotta until smooth, adding 1 1/2 cups sugar and egg yolks, mixing after each addition.", "Beat in flour and vanilla. Beat egg whites with 1/2 cup sugar.", "Fold whipped cream and egg whites into Ricotta and put into a 12-inch spring-form pan that already has been buttered and sprinkled with graham cracker crumbs. Bake in 425\u00b0 oven for first 10 minutes.", "Lower temperature to 350\u00b0 and bake for 1 hour.", "Turn off heat and cool in oven with door closed.", "Top with fruits."]
["sugar", "flour", "graham cracker crumbs", "egg yolks", "vanilla", "cream", "egg whites"]