Cheese Cake - cooking recipe

Ingredients

1 lb. cream cheese, room temperature (for easier mixing)
1 pt. sour cream
1 c. sugar
2 tsp. lemon extract
2 Tbsp. flour
5 eggs, separated
2 Tbsp. butter
1/4 lb. butter for crust, softened
1/3 pkg. graham cracker crumbs

Preparation

Mix
together cheese, sour cream, sugar, lemon extract, egg yolks,
flour
and
2 tablespoons butter in a large mixing bowl. Beat egg whites stiff and fold in last.