Mix berries and pour into pastry shell. Mix sugar and cornstarch in med. saucepan. Gradually stir in water until smooth. Stirring constantly, cook on medium heat until mixture comes to a boil; boil 1 min. Remove fromheat. Stir in gelatin until dissolved. Cool to room temperature. Pour over berries in pastry shell. Refrigerate 3 hours. Spread whipped topping over pie before serving. Garnish with additional berries, if desired. Recipe By : Cool Whip ----