2 pounds potatoes (about 6 medium)
3 T. butter or margarine
3 T. flour
1 t. salt
¼ t. pepper
2 ½ c. milk
1 small onion, chopped finely (about ¼ cup)
1 T. butter or margarine
Peel potatoes and slice thinly. Heat 3 T. butter or margarine in saucepan over medium heat until
melted. Add flour, salt and
pepper. Cook over low heat stirring
constantly, until mixture is smooth and bubbly. Remove from heat. Stir in
milk. Heat to boiling, stirring
constantly. Boil and stir 1 minute. Arrange potatoes in a greased 3 qt casserole
dish, in 3 layers, topping each of the first two layers with ½ of the onion and
1/3 of the white sauce. Top with
remaining potatoes and sauce. Dot with
1 T. margarine. Cover and cook in 325
degree over for 40 minutes, or in a 350 degree oven for 30 minutes. Uncover and cook until potatoes are tender,
60-70 minutes longer. Let stand 5-10
minutes before serving.