Scalloped Potatoes
["8 medium potatoes, sliced", "1/2 stick margarine", "3 c. milk", "2 Tbsp. flour", "1/2 tsp. salt", "1/2 c. chopped onion", "1/4 tsp. pepper", "1 c. grated cheese", "1 Tbsp. parsley"]
["Make a white sauce using margarine, flour, milk and salt.", "Put a layer of potatoes and sprinkle with pepper, onion, parsley and cheese.", "Repeat until all potatoes are used.", "Pour sauce over potatoes.", "Cover and bake at 350\u00b0 for 1 hour.", "Uncover and bake until brown."]
["potatoes", "margarine", "milk", "flour", "salt", "onion", "pepper", "grated cheese", "parsley"]