Instructions: Prepare a 9" pie pan with cooking spray and flour; set aside.

To prepare crust, combine graham cracker crumbs, 1/4 cup granulated sugar, and butter or margarine. Press into bottom and 1" up side of prepared pan. Bake for 6 minutes. Do not allow to brown.

Meanwhile, to prepare filling, combine cream cheese, brown sugar,pumpkin, cornstarch, cinnamon, nutmeg, and egg whites in a mixing bowl. Pour into prebaked pie crust.

Bake at 350 for 45 minutes or until center is slightly soft to the touch.

While cheesecake is baking, prepare topping. In a mixing bowl, combine sour cream, remaining granulated sugar and vanilla. Spread over surface of cheesecake and return to oven to bake for an additional 5 minutes.

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