Cheesy Burger Casserole

Directions

1. 1
   Brown ground beef in skillet, stirring, until crumbly; drain. Saute green pepper and green onions with garlic salt in margarine in skillet until tender.
2. 2
   Mix in flour.
3. 3
   Add milk gradually, stirring constantly, until thick.
4. 4
   Stir in soup.
5. 5
   Simmer for several minutes.
6. 6
   Add ground beef and cheese, mixing well.
7. 7
   Cook over low heat until cheese melts, stirring frequently.
8. 8
   Mix in celery, salt and pepper.
9. 9
   Combine with spaghetti in baking dish, mixing well.
10. 10
    Bake at 350° until bubbly.