Balsamic Pepper Chicken

1 Lb. boneless skinless chicken breast
1 green pepper
2-3 whole garlic cloves
Mushrooms
Dark balsamic vinegar
Onion
Olive oil
Italian seasoning
Salt and pepper to taste

In an aluminium pan pour olive oil then place breasts inside. Then cut pepper into strips, mushrooms, toss in garlic cloves and slice onion. Pour in balsamic vinegar. Let marinate in refrigerator for at least an hour. Then pre heat oven @ 400.Season to taste salt/black pepper, Italian seasoning. Cook until chicken is done.(30 min. or so) All your ingredients can vary to taste.