Amount
Ingredient
Preparation





---

Crust



1
cup
graham cracker crumbs





3
tablespoons
margarine

melted





---

Filling



16
ounces
cream cheese (nonfat)

softened



1
cup
sugar

granulated



1/4
cup
flour

unbleached



3
each
egg whites

whipped



1/2
cup
sour cream, light





1
teaspoon
vanilla extract





2
cups
milk chocolate chips

 Preheat oven at 35. Prepare a 9 inch pie pan with cooking spray and flour; set aside.

To prepare crust, combine crumbs and margarine in a small mixing bowl.

Press into  prepared pan.  Bake for 1 minutes.

To prepare filling, combine cream cheese, sugar, flour, egg whites, sour cream, vanilla, and chocolate chips in another mixing bowl.

Pour into crust.

Bake for 55 minutes.

Loosen cake from rim of pan.  Cool.  Chill.