Crockpot Creamy Hash Browns

1 2-lb package frozen cubed hash brown potatoes

8 oz. shredded or cubed Velveeta

16 oz. sour cream

1 can cream of celery soup

1 can cream of chicken soup

1 lb. bacon, cooked and crumbled

1 onion, chopped

1/4 C. butter or margarine, melted

1/4 t. pepper

Place potatoes in an ungreased crockpot. In a bowl, combine the remaining ingredients. Pour over potatoes and mix well. Cover and cook on low for 4-5 hours (until potatoes are tender and heated through).