1 lb. fresh string beans
Salt to taste
3-4 tbsp. flour
2 qt. water
3 c. milk
1/2 pt. sour cream
3 tbsp. vinegar

Cook beans in salted water. Mix flour with small amount of water smooth. Add sour cream and milk; mix well. When beans are cooked, pour cream mixture over beans, add vinegar. Let soup come to a boil. Serve hot.