Ingredients
- 1 stick butter
- 10 c thinly yukon potatoes (sliced)
- 1 c milk
- 2 c cheddar cheese (grated)
- 1/4 c onion (finely chopped)
- 1/2 ts salt
- 1/2 ts pepper
- 1 package cream of mushroom soup
Spread half of the sliced potatoes in the bottom of a greased baking dish. In a medium bowl, combine remaining ingredients (except potatoes) and pour half the mixture over the first layer of potatoes. Repeat layers of potatoes and mixture. Cover and bake at 350 degrees for 1 hour. Uncover and bake 30 to 45 minutes longer.
