Scalloped Potatoes with Ham

20 pounds potatoes
5 cans cream of mushroom soup
5 cans cream of chicken soup
3 (16 ounce) containers sour cream
3 large onions, sauteed
2 cups milk
4 1/2 cans ham (10 pounds)

Parboil potatoes with skins on in salted water, covering potatoes. Cut potatoes into small chunks. Chop ham, and mix all together. Bake at 300 degrees F for 2 to 3 hours.

Serves 75 to 100.