Preheat oven to 350 degrees. ... Pour sauce evenly over potatoes and onions. Top with ... tightly with foil. Bake 1 hour. Uncover; bake 10 ... and potatoes are tender.
Melt butter in saucepan over low heat, add flour and ... thickened. Layer 1/2 potato slices, onion, ham, salt, pepper, ... layer. Cover and bake at 350 degrees for 1 ... in the white sauce.
Ingredients: 9 (flour .. milk .. pieces .. salt ...)