Skillet Cornbread

In a small bowl, combine flour, cornmeal, baking powder and salt. In another small bowl, whisk the egg, milk and 3 teaspoons oil; stir into dry ingredients just until moistened. , Heat remaining oil in a heavy 8-in. skillet over low heat. Pour batter into the hot skillet; cover and cook for 4-5 minutes. Turn and cook 4 minutes longer or until golden brown.