PREPARATION:
- Spray medium nonstick skillet with nonstick cooking spray; heat over medium heat until hot. Add chicken; cook and stir 7 to 10 minutes or until chicken is browned and no longer pink in center. Cool slightly; refrigerate until chilled.
- Spray small nonstick skillet with cooking spray; heat over medium heat until hot. Add onion; cook and stir over low heat about 15 minutes or until onion is caramelized. Cool to room temperature.
- Place spinach, if desired, on plates. Top with chicken, onion, green beans, potatoes, tomatoes and Great Northern beans. Drizzle with Herb and Mustard Dressing. Serve immediately.
