Rinse beans and soak in cold water for 5 hours. Boil until tender.
Chop the cabbage and boil until half cooked, add the beans and bring to a boil.
Dilute flour with milk, mix with sour cream and pour into a yushka.
Bring to a boil again, salt, pepper to taste and cook for another 5 minutes.
Serve sprinkled with chopped herbs.