Chicken Alfredo Scalloped Potatoes

1 jar cheesy alfredo sauce
1 can cream of mushroom soup
2 small onions
5 potatoes
1 lb. chicken breast
salt & pepper to taste
butter

Cut chicken into bite sized pieces & pan fry in butter to brown. Slice potatoes into disks. Slice onions into slivers. Combine all ingredients in a 9x13 pan & bake at 350 degrees for approx 65 minutes or place in crockpot on high for 1/2 hr then turn to low for 5 hrs.