Ingredients
4 cups fresh or frozen blueberries3 cups water2/3 cup sugar1/4 teaspoon ground allspice2 cups plain yogurtSour cream or additional yogurt, optional
Preparation
In a large saucepan, combine the blueberries, water, sugar and allspice. Bring to a boil, stirring occasionally. Remove from the heat.
In batches, process blueberry mixture and yogurt until smooth. Cover and refrigerate until chilled. Serve with sour cream or yogurt if desired.