Au Gratin Potatoes

• 3 tablespoons butter or 3 tablespoons margarine
• 3 tablespoons all-purpose flour
• 12 teaspoon salt
• 14 teaspoon pepper
• 34 cup milk
• 34 cup half-and-half
• 4 medium white potatoes, thinly sliced (about 1 1/2 lbs)
• 13 cup chopped onion
• 1 tablespoon dried parsley flakes (or 2 tbs snipped fresh parsley)
• 1 cup grated cheddar cheese

1. Grease 1 1/2 quart casserole.
2. Set aside.
3. In small saucepan melt butter.
4. Stir in flour, salt and pepper.
5. Blend in milk and half-and-half.
6. Cook on medium high heat, stirring constantly, until heated through.
7. Set aside.
8. Layer one-third of potato slices, half of onion, one-third of parsley, one-third of cheese and one-third of sauce in casserole.
9. Repeat layers.
10. Top with remaining potatoes, parsley, cheese and sauce.
11. Bake in 375F degrees Convection oven on rack 3, 45-60 minutes (or bake in preheated 375F degrees radiant bake oven 1-1 1/4 hours) or until sauce is bubbly and potatoes are tender.

butter, allpurpose, salt, pepper, milk, white potatoes, onion, parsley, cheddar cheese

Taken from www.food.com/recipe/au-gratin-potatoes-8749 (may not work)