Potatoes Au Gratin
["6 medium potatoes", "1 1/2 c. milk", "1 c. shredded cheese", "2 tsp. minced onion"]
["Slice potatoes and arrange in a greased 1-quart casserole dish. Layer with minced onion and top with shredded cheese.", "Pour milk over mixture and bake at 400\u00b0 for 45 minutes.", "Serves 4 to 6."]
["potatoes", "milk", "shredded cheese", "onion"]