Potato-Cheese Scallop
["1 medium onion, thinly sliced", "2 Tbsp. melted butter", "6 medium potatoes, thinly sliced", "1 c. sharp Cheddar cheese, grated", "2 Tbsp. flour", "2 tsp. salt", "1/8 tsp. pepper", "2 1/2 c. milk"]
["Saute onion slices in butter.", "Place 1/4 potatoes in bottom of greased 2-quart dish or casserole.", "Add 1/2 each onion slices, cheese, flour, salt and pepper.", "Repeat layers.", "Pour milk over. Cover and bake for 1 hour.", "Remove cover and bake 15 minutes longer.", "Serves 6."]
["onion", "butter", "potatoes", "Cheddar cheese", "flour", "salt", "pepper", "milk"]