Potato Surprise - cooking recipe

Ingredients

6 to 8 medium potatoes
2 large onions, sliced
2 cans cream of mushroom soup
2 c. Cheddar cheese
8 to 12 slices ham or Spam

Preparation

Butter casserole dish, then start to layer:
cleaned, sliced potatoes, onions, cheese and ham or Spam.
Top all this with cheese and soup.
Bake at 350\u00b0 for 30 to 45 minutes, or until potatoes are done.