1¼ cups flour1 tsp baking powder¼ tsp salt¾ cup sugar¾ cup brown sugar½ cup cocoa powder½ cup chocolate chips½ cup peanut butter chips Preheat the oven to 350 degrees.  Grease a 9-inch baking dish and set aside.  Combine mix, ½ cup melted butter, 3 eggs and 2 teaspoons vanilla extract and mix well.  Bake for…