Food & Cooking Recipes Healthy Recipes Vegetarian Recipes Pierogi with Blueberry Filling and Spiced Sour Cream 3.4 (77) Close Pierogi are an incredibly versatile food, adapting to both sweet and savory fillings. Seasonal fruit, such as plump blueberries or Italian plums, makes the dumplings lighter. We added nutmeg to the sour cream for a hint of spice. For a step-by-step guide, see our How-To. Directions Make filling:Crush 2 cups blueberries with your hands. Toss with remaining 6 cups whole blueberries and the sugar. For each pierogi, use 1 tablespoon plus 2 teaspoons filling. Make Spiced Sour Cream:Mix together sour cream, confectioners' sugar, vanilla extract, and nutmeg. Serve chilled. Makes 1 cup