Potatoes Au Gratin
["6 to 8 potatoes, sliced raw", "1 stick margarine", "2 Tbsp. flour", "1 block Cheddar cheese (mild or sharp), shredded", "1 c. milk (sweet)", "salt and pepper"]
["Peel and slice potatoes and place in bowl of cold water and let sit.", "In skillet on low fire, melt margarine and add milk and flour, a little at a time, until smooth.", "Then add shredded cheese and season to taste (salt and pepper)."]
["potatoes", "margarine", "flour", "Cheddar cheese", "milk", "salt"]