4. Using a rubber spatula, combine egg mixture with the dry ingredients and mix until fully incorporated. Add melted baking chocolate and stir until fully combined. Fold in chocolate chips. Pour batter into the prepared baking pan. Place in the oven and bake for 15 minutes. Once 15 minutes have passed, sprinkle m&m’s over the brownies and continue baking for another 10-15 minutes or until toothpick comes out clean. Remove from the oven and place on a wire rack to cool completely before cutting. Enjoy!