Cheese Cake

Directions

1. 1
   In a large mixing bowl cream together the cream cheese, Ricotta and sugar.
2. 2
   Beat in the eggs, one at a time, beating well after each addition.
3. 3
   Add the flour, butter, cornstarch and vanilla and beat the mixture until well blended.
4. 4
   Fold in the sour cream.
5. 5
   Pour the batter into an ungreased 9-inch spring-form pan. Bake on middle rack of oven for one hour at 325°.
6. 6
   (Cake will be soft in the center.)
7. 7
   Turn off the heat but do not open the door! Let cake set in the oven for two hours.
8. 8
   Remove from oven and let cool completely in the pan.
9. 9
   Chill the cake, loosely wrapped, for at least 2 hours.
10. 10
    Remove the sides of pan and transfer cake to a cake stand or plate.