Potatoes in Beer

• 1½ pounds potatoes, thinly sliced (but not rinsed)
• 1 large onion, finely sliced
• 1 cup

Press alternate salted layers of onion and potatoes into a buttered deep baking dish, beginning with a layer of onion on the bottom and finishing with a layer of potatoes, arranging the layers of potatoes neatly overlapping so that they take up a minimum of space. Pour over the beer, distribute paper-thin shavings of butter over the entire surface, and bake for 1 hour, beginning with a hot oven