Pour off all but 2 tablespoons of oil and drippings in skillet. Add 2 tablespoons flour, 1/4 teaspoon salt and 1/4 teaspoon pepper to oil in skillet. Cook over medium heat 1 to 3 minutes, stirring occasionally, until thickened and light golden brown. Beat in milk with whisk 1 to 2 minutes or until mixture thickens. Place chicken breasts on plates, and divide gravy evenly over chicken breasts.