WHITE CHOCOLATE CREAM CHEESE FROSTING: In a small bowl, microwave 6 oz (180 g) chopped white chocolate for 2 -3 minutes on Medium until almost melted. Stir until smooth. Cool to room temperature.Beat 8 oz. (250 g) cream cheese and 1/4 cup softened unsalted butter until blended. Add melted chocolate. Gradually add 3 cups confectioner's (icing) sugar, beating until smooth and creamy.