6 med. potatoes, peeled, thinly sliced
1 tsp. salt
1/4 tsp. white pepper
1/2 sm. onion, chopped
1 egg, lightly beaten
3 oz. (3/4 c.) shredded Gruyere cheese
1 c. milk
1 c. whipping cream
2 oz. (1/2 c.) Gruyere cheese
3 tbsp. melted butter

Heat oven to 350 degrees. Butter a 2 quart casserole. Combine potatoes, salt, pepper, onion, egg and 3 ounces cheese. Heat milk and cream to boiling in saucepan. Combine with potato mixture. Place in prepared casserole.

Sprinkle with remaining cheese and dot with butter (butter). Bake at 350 degrees for 1 hour. If top is not brown when done, broil until lightly browned. Serves 6.