Cheesy Scalloped Potatoes
["1 1/2 c. skim milk", "2 Tbsp. all-purpose flour", "1/2 tsp. salt or seasoned salt", "1/8 tsp. pepper", "1/8 tsp. garlic powder (optional)", "1/2 c. chopped onion", "4 medium potatoes, peeled and thinly sliced", "1/2 c. shredded Cheddar cheese (2 oz.)", "snipped fresh parsley (optional)"]
["For sauce, in a small saucepan, stir together milk, flour, salt, pepper and garlic powder, if desired.", "Cook and stir over medium heat until thickened and bubbly.", "Stir in onion.", "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. Repeat layers with remaining potatoes and sauce.", "Bake, covered, in a 350\u00b0 oven about 65 minutes, or until potatoes are tender, stirring once.", "Remove from oven and sprinkle with cheese.", "Cover and let stand 1 to 2 minutes or until cheese is melted.", "If desired, garnish with parsley.", "Serves 8."]
["milk", "flour", "salt", "pepper", "garlic", "onion", "potatoes", "Cheddar cheese", "fresh parsley"]