Scalloped Potatoes
["2 Tbsp. butter", "2 Tbsp. flour", "1 tsp. salt", "1/4 tsp. pepper", "3 c. milk", "3 1/2 to 4 c. thinly sliced white potatoes", "2 Tbsp. minced onion"]
["Place butter in 1-quart bowl.", "Microwave on High for 1/2 minute or until melted.", "Blend in flour and seasonings.", "Gradually stir in milk.", "Microwave on High 8 to 10 minutes, stirring every 3 minutes. Layer half of potatoes, onion and sauce in greased 2-quart casserole.", "Repeat the layers.", "Cover and cook on High 17 to 19 minutes, stirring after 10 minutes.", "Remove from oven and let stand 5 minutes before serving.", "Makes 4 to 6 servings."]
["butter", "flour", "salt", "pepper", "milk", "white potatoes", "onion"]