Instructions: Butter a 9" springform pan; set aside. Preheat oven to 350 . In a blender, pulverize enough graham crackers to make 1 cup of fine crumbs. Remove from blender; set aside. Pulverize nuts into fine crumbs; set aside.

In a medium mixing bowl, beat egg whites and cream of tartar until foamy. Gradually add sugar, beating until stiff and glossy. Fold in graham cracker crumbs, walnut crumbs, and orange peel, then chocolate pieces. Bake 25 to 30 minutes. Cool in pan. Remove from pan. Prepare Orange-Chocolate Glaze. Spread on cooled torte, letting excess drip down sides.

Glaze: In microwave melt the chocolate and chocolate pieces. Then add the sour cream and the orange extract.

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