Sliced par-boiled potatoes
Chopped cooked ham (lunchmeat or smoked ham)
Chopped onion
Grated Cheddar cheese

Put the above ingredients into 4 piles. In a greased 9x13 pan make layers of ingredients in order listed. Sprinkle pepper and flour on each layer of potatoes. End the layers with cheese on the top. Pour about 1/4 - 1/2 cup milk on top. Bake 1/2 hour uncovered at 350 degrees.