Crock Pot Chicken Cacciatore

6 skinless, boneless chicken breast halves
1-28 oz jar spaghetti sauce
2 green bell pepper, seeded and cubed
8 oz fresh mushrooms, sliced
1 onion, finely diced
2 T minced garlic

Put the chicken in the slow cooker. Top with the spaghetti sauce, green bell peppers, mushrooms, onion, and garlic. Cover, and cook on low for hours.  Serve over pasta.