Graham cracker crust using 1 1/2 c. crumbs

5 eggs, separated
1 c. sugar
2 tbsp. cornstarch
1 1/2 lb. cream cheese
1/2 pt. sour cream
1 c. milk
1 tsp. cream of tartar
1 tsp. vanilla

Use 10 inch springform pan. Butter pan and line with graham cracker crust. Separate eggs. Beat yolks. Add sugar, cornstarch and then the cream cheese, sour cream and milk. Beat this mixture 10 minutes, while you beat egg whites until stiff. Add cream of tartar and vanilla to yolk mixture. Fold egg whites in. Pour into springform pan. Bake for 1 hour at 350 degrees. turn off oven and let cake stay in oven for another hour.