1 c. mashed blueberries
1 c. sugar
1 c. water
2 tbsp. cornstarch
1 baked pie shell
4 c. blueberries

Cook the blueberries, sugar, water and cornstarch for 10 minutes. Add the 4 cups of berries (fresh or frozen) to the hot mixture. Pour into the baked shell. Cool well. Then serve with whipped cream or ice cream.