Italian Chicken (crock pot)

Fixed this recipe a couple weeks ago, and wanting to fix it again soon! So good and easy to make! Just add a side salad, pasta, and some crusty French bread and ZIP/ZAP your supper is ready! :)
I think this recipe was originally posted by Arlene.

2 lbs. frozen, boneless, chicken breast (yes you can use frozen!)
1 pkg. Italian spaghetti sauce mix (dry)
1 8oz. can tomato sauce
1 can Italian diced tomatoes
Parmesan cheese

(additional cheese if wanted)

Place all ingredients in crock pot. (generously sprinkle with the Parmesan cheese)
Cook on low for 8-9 hours
Serve over pasta, top with cheese. Enjoy! :)