Crust: 10 oz. package Lorna doone cookies, crushed 1/4 lb. melted butter 1/4 cup sugar 1 envelope Knox gelatin Filling: 16 oz. cream cheese 8 oz. sour cream 2 eggs 2 tablespoons butter 2 tablespoons cornstarch 1 cup sugar 1 teaspoon vanilla crushed cookie crumbs for garnish|Crust; mix crumbs with butter, sugar, and gelatin. Pat out evenly over bottom of a greased 9" springform pan. Bake at 350, for exactly 8 min. Filling; beat with electric mixer: cream cheese, sour cream, eggs, butter, cornstarch, sugar and vanilla. When filling is perfectly smooth and creamy, pour into crust. Return to 350 oven and bake 30−35 min. or until knife inserted in the center comes out clean. Cool 20 min. before cutting. Sprinkle top with cookie crumbs.