Cheesy Scalloped Potatoes And Ham Casserole

• 6-8 medium potatoes
• 3 tablespoons butter
• 3 tablespoons all-purpose flour
• 1 teaspoon salt
• 1/2 teaspoon pepper
• 2 teaspoons dry mustard
• 2 1/2 cups milk
• 4 ounces strong cheese (gruyere, manchago, extra sharp che shredded
• 1 1 sm. onion chopped
• 1 tablespoon butter
• 1/2 pound ham cubed

1. Preheat oven to 350 degrees.
2. Wash and peel potatoes. Slice thinly with a mandolin to measure about 4 cups. Heat 3 tablespoons butter/butter in saucepan over low heat until melted; whisk in flour, salt, pepper and dry mustard. Cook over low heat, whisking constantly, until mixture is smooth and bubbly; whisk in milk a little at a time, keeping consistency thick before adding next bit of milk. Heat to boiling again, whisking constantly. Slowly add shredded cheese a little at a time.
3. Arrange potatoes in greased 2 quart casserole in layers, topping each layer with equal amounts of sauce, onion and cubed ham. Dot top layer with 1 tablespoon butter. Cover and bake in 350 degree oven for 30 minutes. Uncover and bake until potatoes are tender, 60-70 minutes longer. Let stand 5-10 minutes before serving.

potatoes, butter, allpurpose, salt, pepper, mustard, milk, strong cheese, onion, butter, ham

Taken from www.myrecipes.com/recipe/cheesy-scalloped-potatoes-ham-casserole (may not work)