Line unpricked pastry shell with a double thickness of heavy-duty foil. Bake at 450° for 8 minutes. Remove foil; bake 5 minutes longer. Cool on a wire rack.
In a small saucepan, combine the sugar, cornstarch and water until smooth. Bring to a boil; cook and stir for 2 minutes or until thickened. Remove from the heat; stir in gelatin until dissolved. Refrigerate for 15-20 minutes or until slightly cooled.
Meanwhile, arrange strawberries in the crust. Pour gelatin mixture over berries. Refrigerate until set. Garnish with mint if desired. Top with Cool Whip!Yield: 6-8 servings.