Scalloped Potatoes and Ham

8 to 10 potatoes sliced; leave the peel on
2 cups cubed ham
1 onion, chopped
2 cups shredded cheddar cheese
10 3/4 ounce can of cream of mushroom soup

Layer each ingredient starting with the sliced potatoes,

Next ham, onion, cheddar cheese and the cream of mushroom soup. Do not mix.

Cover and cook in the crockpot for 8 to 10 hours.