Sweet and Sour Green Beans

Sweet and Sour Green Beans   This recipe came from my friend Ruth.

10 oz green beans

2 slices bacon

¼ C chopped onion

1Tbsp flour

½ water

¼ C rice vinegar

2 Tbsp sugar

¼ tsp salt

¼ tsp pepper

Cook bacon.  Remove.  Cook onion in bacon fat.  Add flour.  Add remaining ingredients except beans.  Boil and stir 1 min.  Add beans; cook till tender.  Crumble bacon and add.  Serve warm.