In medium bowl, stir yogurt and mustard. Stir in chicken, apples, blueberries, grapes, pineapple, celery and mint. Toss to evenly coat.
Pour salad blend onto serving platter. Arrange chicken mixture on salad blend and sprinkle with pecans or walnuts, if desired.
Video
Notes
Tips: Can be served as salad or spooned onto tortillas and rolled up for wraps. Amount of yogurt dressing can be adjusted based on personal preference.