Cook noodles according to package directions; drain., Meanwhile, sprinkle chicken with pepper. In a large cast-iron or other heavy skillet, heat butter over medium-high heat; saute chicken just until browned, 3-5 minutes. Stir in soup, cheese, ham and water; cook, covered, over medium heat until cheese is melted and chicken is no longer pink, 6-8 minutes, stirring occasionally. Stir in noodles. Sprinkle with parsley.