Crockpot Cheater's Chicken Cacciatore

6 skinless, boneless chicken breasts

1 (28-oz.) jar spaghetti sauce

2 green bell peppers, seeded and cubed

8-oz. fresh mushrooms, sliced

1 onion, finely diced

2 cloves garlic, minced

Place chicken in crockpot. Top with spaghetti sauce, peppers, mushrooms, onion and garlic. Cook on LOW 7-9 hours.