Scalloped Potatoes

Directions

1. 1
   Heat oven to 350°.
2. 2
   Place potatoes and onion in greased 1 1/2 to 2-quart casserole.
3. 3
   In medium saucepan, melt margarine.
4. 4
   Blend in flour, salt and pepper.
5. 5
   Cook until smooth and bubbly, stirring constantly.
6. 6
   Gradually add milk.
7. 7
   Cook until mixture boils and thickens, stirring constantly.
8. 8
   Pour sauce over potatoes. Bake at 350° for 1 1/2 to 2
9. 9
   hours.
10. 10
    If desired, garnish with crumbled bacon.
11. 11
    Yields 4 servings.