Blueberry Pie - cooking recipe

Ingredients

1 baked (9-inch) pie shell
2 1/2 c. fresh blueberries, divided
1 c. sugar
3 Tbsp. cornstarch
1/4 c. water
1 Tbsp. margarine
1 tsp. vanilla extract
1 (4 oz.) Cool Whip

Preparation

Pour 1 1/4 cups blueberries into prepared pie shell; spread evenly and set aside.
Combine 1 cup blueberries, sugar, cornstarch and water in medium saucepan; cook and stir over low heat until thickened.
Remove from heat; stir in margarine and vanilla. Cool.
Pour over blueberries in pie shell.
Chill.
Spoon whipped topping around edge.
Garnish with 1/4 cup blueberries.