Ingredients
3 tablespoons butter
2 tablespoons flour
1 1/2 teaspoon salt
1/8 teaspoon pepper
3 cups milk
6 medium potatoes, thinly sliced
2 tablespoons onion, chopped
1 cup ham, sliced and cooked
Preparation
Mix butter, flour, salt, pepper, and milk together. Make several layers potatoes, ham, and sauce. Cover and bake at 350 degrees for 1 hour. Uncover and bake 1/2 hour more. When done, top with cheese, let melt, and serve.