Potato Casserole

Directions

1. 1
   Cook onion in butter until tender.
2. 2
   Add flour.
3. 3
   Slowly add milk.
4. 4
   Cook until thick.
5. 5
   Remove from heat.
6. 6
   Boil potatoes until tender and drain.
7. 7
   Put potatoes into 1 1/2-quart buttered casserole.
8. 8
   Add mustard and mayo to cream sauce.
9. 9
   Pour over potatoes.
10. 10
    Top with bacon bits.
11. 11
    Bake at 350° for 30 minutes.