Easy Creamy Scalloped Potatoes
["5 c. sliced raw potatoes", "1 can cream of mushroom soup", "1/2 c. milk", "1 medium onion"]
["Heat soup and milk just until well blended.", "Arrange potatoes, onions and soup in layers in buttered casserole.", "Cover and bake at 375\u00b0 for 1 hour.", "Uncover and bake an additional 15 minutes."]
["potatoes", "cream of mushroom soup", "milk", "onion"]