Instructions

  1. Spray a 13"x9" baking dish with nonstick coating.
  2. Arrange 1/3 of the potatoes over the bottom of the dish, sprinkle with 1/2 of the onion and top with 1/2 of the flour.
  3. Repeat the layers then arrange the remaining potatoes over the top.
  4. Pour the hot milk over everything and sprinkle with the cheese.
  5. Bake, uncovered, for 1 hour at 350F or until the potatoes are tender.