Green Bean Supreme

Directions

1. 1
   In small saucepan melt butter and saute onion until tender. Add flour, salt and pepper.
2. 2
   Mix well.
3. 3
   Carefully blend in sour cream and heat thoroughly.
4. 4
   Do not boil.
5. 5
   Stir in beans and turn into casserole dish.
6. 6
   Top with cheese.
7. 7
   Bake at 350° for 15 minutes.