M&M Monster Bars Servings : 1 Categories : Bars 1 stick butter, softened 1 cup brown sugar 1 cup sugar 1 1/2 cups creamy peanut butter 3 each egg 1 teaspoon vanilla 2 teaspoons baking powder 4 1/2 cups oatmeal 1 (12 oz.) pkg chocolate chips 1 (12 oz.) pkg m&msŪ plain chocolate candy Mix in the order given. Press into greased jelly roll baking pan. Bake at 350° for 15 minutes, (Longer on air bake pan - 2014 we baked for 26 minutes). They will be softer 'n' set up.