Scalloped Potatoes
["6 potatoes, sliced", "2 tsp. salt", "3 Tbsp. butter", "2 Tbsp. flour", "1 onion, chopped", "2 tsp. pepper", "2 c. milk, heated", "3/4 c. grated cheese"]
["Melt butter; add flour and seasonings.", "Stir until smooth; slowly add hot milk, stirring when it thickens.", "Melt cheese in sauce.", "In buttered baking dish, put layers of sliced potatoes, onion and cheese sauce.", "Bake at 350\u00b0 for 1 hour."]
["potatoes", "salt", "butter", "flour", "onion", "pepper", "milk", "grated cheese"]