Balsamic Chicken and Spinach

1 tablespoon olive oil , approximately 3 garlic cloves , chopped salt , to taste pepper , to taste 4 (4 ounce) boneless skinless chicken breast halves 8[...]

3 tablespoons olive oil 4 boneless skinless chicken breast halves , pounded between 2 sheets of waxed paper to 1/2-inch thickness (about 1 1/4 lb) 1/4[...]