Line 8x8 pan with apples and blueberries. In a bowl combine the rest of the ingredients EXCEPT the butter. Pour the batter over the apples and the blueberries. Pour the melted batter over the batter. Bake 45 minutes in a 350°F preheated oven, or until a toothpick comes out clean. Enjoy with ice cream or whipped cream. Bon Appetit.