New York Cheesecake - cooking recipe

Ingredients

1 lb. Ricotta cheese
1 lb. cream cheese
1 1/2 c. sugar
1 tsp. lemon juice
3 Tbsp. cornstarch
1/4 lb. melted butter
4 eggs, separated
2 tsp. vanilla
3 Tbsp. flour
1 pt. sour cream

Preparation

Cream the two cheeses.
Add sugar gradually.
Add yolks; beat well.
Stir in lemon juice, vanilla, cornstarch and flour.
Add butter; mix until smooth.
Blend in sour cream.
Beat egg whites until stiff and fold in.
Pour into buttered 10-inch spring-form pan.
Bake at 350\u00b0 for 1 hour and 35 minutes.
Turn oven off and leave cake in oven with door closed for 2 hours to dry excess moisture from cheesecake.