----Crust & Topping----
1 c semisweet chocolate chips -- melted
1 c butterscotch chips -- melted
1/4 c margarine -- melted
2 c low-fat graham cracker crumbs
16 ozs fat-free cream cheese -- softened
1/2 c granulated sugar
4 egg whites -- whipped
1/4 c unbleached flour
2 tbsps lemon juice
Preheat oven to 350. Prepare a 9 x 13" pan with cooking spray; set aside.
In a double boiler, add chocolate chips, butterscotch chips, and margarine.
Heat until melted and smooth. Stir in graham cracker crumbs until mixture
forms coarse crumbs. Reserve 1 cup crumb mixture for topping. Press
remainder into prepared pan. Bake for 12 minutes. Meanwhile, to prepare
filling, combine cream cheese, sugar, egg whites, flour, and lemon juice.
Pour evenly over baked crust. Sprinkle with reserved crumb mixture. Bake
for 25 minutes more