×1
6
Servings
Melt butter and sauté onion
Stir in flour and salt and pepper
Stir in milk over low heat until thickened
Layer 1/2 potatoes and ham and 1/2 cheese in greased 1 1/2 quart baking dish
Pour over 1/2 sauce
Repeat with remaining ingredients
Bake at 350°F for 1 1/4 hours