This is a wonderful potato side dish. This was my mother's recipe.
2 lbs potatoes, peeled and sliced thin
1 1/2 c onions, chopped
4 TB butter
1 tsp salt
Layer potatoes, onion, potatoes, onion, potatoes. Dot with butter and salt and pepper. Cover with foil and bake 1 hour at 350. Remove foil. Bake 39 minutes mores or until lightly brown.