Combine first eight ingredients in a large bowl. Beat at medium speed with a mixer. Coat a 9-inch pie plater with vegetable spray; line with crumbled gingersnap crumbs and pour mixture into the crust. Bake at 400 degrees 15 minutes; then reduce to 350 degrees and bake an additional 20 minutes or until a toothpick inserted comes out clean. Sprinkle with additional cookie crumbs, and serve with reduced fat whipped cream of fat-free frozen yogurt. busted 6/7/98