4 tbsp. butter
4 med. onions, thinly sliced
15-16 med. potatoes, thinly sliced
1 or 1 1/2 c. grated Swiss cheese
2 or 3 c. chicken stock

Preheat oven to 425 degrees. Melt 2 tablespoons butter. Saute onions slowly, don't full cook. Spread baking dish with butter. Spread layer of sliced potatoes, 1/3 of sauteed onions, 1/3 of Swiss cheese and salt and pepper. Repeat 3 times in layers. End with cheese on top. Pour chicken stock over, cover half of potatoes. Dot with butter. Bake in casserole 45 minutes to 1 hour. Serves 6.