|Onions||1 , diced|
Peel potatoes and slice thinly.
Put butter or nonstick spray to cover inside of ovenproof dish.
Layer potatoes and onions in dish and sprinkle each layer with salt, pepper, flour and dabs of butter, ending with seasonings on top.
Add milk until baking dish is filled to 3/4 mark.
Bake, uncovered, in 350Â°F oven for 1 to 1 1/2 hours.