Au Gratin Potatoes

Directions

1. 1
   Prepare and slice potatoes in thin slices, about 4 cups.
2. 2
   Cook onion in margarine in a 2-quart pan until tender.
3. 3
   Stir in flour, salt and pepper.
4. 4
   Cook over low heat, stirring constantly until mixture is bubbly.
5. 5
   Remove from heat and stir in milk and 1 1/2 cups of cheese.
6. 6
   Heat to boiling about 1 minute and remove from heat.
7. 7
   Place potatoes in ungreased 1 1/2-quart casserole.
8. 8
   Pour cheese sauce over potatoes and top with remaining 1/2 cup cheese and bread crumbs.
9. 9
   Sprinkle with paprika.
10. 10
    Bake, uncovered, in 325° oven for 1 hour and 20 minutes or until done.