Alaskan Blueberry Pie

1 cup sugar
2 1/2 tablespoons cornstarch
2/3 cup water, cold
1/2 cup blueberries
1 tablespoon butter
1 tablespoon lemon juice
1 teaspoon lemons, rind of (optional)
2 cups blueberries


1. Cook the first seven ingredients until very thick.
2. Fold in the 2 cups fresh or frozen blueberries and pour into a baked pie shell.
3. Let pie cool and top with whipped cream.