Instructions

  1. For sauce, in a small saucepan stir together milk, flour, salt, pepper, and garlic powder. Cook and stir over medium heat until thickened and bubbly. Stir in onion.
  2. Spray a 1-1/2-quart casserole with nonstick spray coating. Place half of the potatoes in the casserole. Top with half of the sauce and optional parmesan. Repeat layers with remaining potatoes, sauce and parmesan.
  3. Bake, covered, in a 350°F oven about 65 minutes or until potatoes are tender, stirring once.
  4. Remove from oven and sprinkle with cheese.
  5. Cover and let stand 1-2 minutes or until cheese is melted.
  6. If desired, garnish with parsley.