You are here: Home » Recipes » Warm Blueberry Sauce Warm Blueberry Sauce Kitchen Tested Yield 8 servings Prep 10 mins Cook 10 mins Perfect for serving with Cheese Blintz Casserole or pancakes, this sauce is a snap to make. PrintEmail Ingredients 2 (10-ounce) bags frozen blueberries1/2 cup fruit juice (blueberry, cranberry, cherry or pomegranate), divided1/4 cup sugar2 tablespoons cornstarch Instructions Combine berries with ¼ cup juice in a medium saucepan; bring to a boil over medium heat. Stir in sugar. Combine cornstarch and remaining juice; whisk or blend with your fingers until smooth. Pour cornstarch mixture into boiling fruit mixture, stirring. The sauce will almost immediately thicken and grow clear. Serve, hot or warm, over Chese Blintz Casserole. Serves 8. Recipe by Crescent Dragonwagon.