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.