In medium bowl, combine margarine with soup mix. Add chicken to soup mixture and let stand 5 minutes .

Heat 12-inch nonstick skillet over medium-high heat 3 minutes or until hot.

Add chicken mixture and cook, stirring occasionally, 6 minutes or until chicken is thoroughly cooked. Serve, if desired, with your favorite dipping sauce, on buns with lettuce and tomato, or in warm flour tortillas with salsa.