2 oz. butter, softened
1 tsp. confectioners sugar
1/4 c. blueberries

Allow 2 ounces (a half stick) of butter to soften. In a small bowl using an electric mixer beat the butter, slowly adding 1 teaspoon confectioners sugar until fluffy. Stir in 1/4 cup blueberries and crush them with a fork into the butter. Beat again until blueberries are mixed in well. Store in covered dish in refrigerator. Remove 20 minutes before serving.