slow-cooker chicken with apples

2 c. sliced onions
2 large apples peeled, cored and sliced
2 lbs. chicken, cut into pieces (larger than bite size but not huge)
1/2 tsp salt
1/4 tsp black pepper
2 TBS chopped fresh rosemary (use a couple of tsp if using dry)
1 c. chicken broth
1 can cream of celery soup
2 c. cooked rice

arrange onion and apple slices in the bottom of a slow cooker. place chicken pieces on top and season all over with salt and pepper. sprinkle rosemary over chicken. wisk broth and soup together and pour mixture over chicken. sover and cook on low 6-8 hrs. serve over rice.