3 cups water
2 pints blueberries
3/4 cup sugar
2 tablespoons cornstarch
1/4 cup cold water
Creme fraiche, sour cream or yogurt for accompaniment
Bring water to a boil; add blueberries and sugar and cook for several minutes over medium-low heat, stirring occasionally.
Mix cornstarch with cold water. Stir into berry mixture and bring to a boil again. Cool at room temperature. Cover and refrigerate.
Serve chilled with a dollop of creme fraiche, sour cream or yogurt.
Makes 4 to 6 servings.