Ham and Cheese Potato Dinner

1 bag (28 oz) frozen diced potatoes, with onion and peppers (thawed) 2 c shredded Cheddar and Monterey Jack cheeses 1 can (10 3/4 oz) cream of celery soup (or C.O. chicken) 1 container (8 oz) sour cream 3 lb fully cooked smoked boneless ham

Spray 5-6 quart slow-cooker with cooking spray. Mix potatoes, cheese, soup and sour cream in slow cooker. Cut ham length-wise in half; place ham on potato dinner. Cover and cook on low for 5 to 6 hours or on high for 3 to 4 hours. Stir well before serving.