1 can cream of onion soup
3/4 cup milk
1/2 teaspoon pepper
8 cups thinly sliced raw potatoes
8 ounces (2 cups) shredded american cheese
8 ounces (2 cups) shredded cheddar cheese

heat oven to 375 degrees. grease 3 quart casserole or 13″x9″ baking dish. in small bowl, combine soup, milk and pepper. in casserole, layer 1/2 each of potatoes, soup mixture and cheeses. repeat layers. cover. bake at 375 degrees for 1 1/2 hours. uncover. continue baking 15-20 minutes or until potatoes are tender.