Blueberry Sauce - cooking recipe

Ingredients

1 lb fresh blueberries or 1 lb frozen blueberries
1/2 cup sugar
3 tablespoons fresh lemon juice
2 teaspoons cornstarch
1 1/2 teaspoons grated lemons, rind of

Preparation

Combine all ingredients in medium saucepan.
Stir over medium heat until cornstarch dissolves.
Boil until thickened, stirring occasionally, about 4 minutes.
Cover and refrigerate.