1 stick butter
1 (8 oz.) carton sour cream
2 cans Cheddar cheese soup
1 medium onion, chopped
6 to 8 medium potatoes, peeled and boiled

Melt butter in saucepan and add sour cream and soup. Add onions. Add cooked potatoes. Put in crock-pot on low. Heat for at least 1 hour.