Romanoff's Cheesecake

3 large pkg. cream cheese
1 tsp. vanilla
1/2 carton sour cream
2 eggs
1/2 C. sugar
2 graham crackers, crushed
2 T. sugar
1 stick butter
1/2 pt. sour cream
2 T. sugar
1 1/2 tsp. cinnamon

Beat cream cheese, vanilla, 1/2 pint sour cream, eggs and 1/2 cup sugar well. Prepare crust by crushing graham crackers and mixing with melted butter and sugar. Pour cheesecake mixture into crust. Bake at 375 degrees for 20 minutes. Beat remainder of sour cream, 2 tablespoons sugar and cinnamon well and put on top of pie after it has baked for 20 minutes. Allow cheesecake to cool for 10 minutes before spreading. Place in oven again at 475 degrees for 5 minutes. Refrigerate.