Balsamic Chicken without broth vinaigrette

1 1/2 pounds chicken breast cutlet or thin cut 2 tablespoons balsamic vinegar 2 1/3 tablespoons olive oil 1 x salt and black pepper to taste, or grill[...]

12 ounce boneless, skinless chicken breast 2 x eating apples, cored and thinly sliced 1 lrg sweet or possibly red onion, sliced 2 quart mixed young salad[...]