Blueberry Cream Cheese Cake - cooking recipe

Ingredients

1/4 c. cornstarch
1/2 c. sugar
1/2 c. water
3 c. fresh blueberries, rinsed and drained
1 (13 1/2 oz.) pkg. graham cracker crumbs
2 Tbsp. margarine
2 (8 oz.) pkg. cream cheese
1 1/2 c. sugar
2 tsp. vanilla
1 (9 oz.) pkg. frozen whipped topping, thawed

Preparation

Combine cornstarch, sugar, water and blueberries.
Cook, while stirring, over medium heat until sauce bubbles and thickens. Cool.