Summer Berry Pie - cooking recipe

Ingredients

1 1/2 c. raspberries
1 1/2 c. strawberries, sliced
1 c. blueberries
1 baked 9-inch pie shell, cooled
3/4 c. sugar
3 Tbsp. cornstarch
1 1/2 c. water
1 (4 serving) pkg. strawberry Jell-O
1 (8 oz.) Cool Whip

Preparation

Mix berries in large bowl.
Pour into pastry shell.
Mix sugar and cornstarch in medium saucepan.
Gradually stir in water until smooth, stirring constantly.