Sour Soup with Dry Beans

Ingredients

 * 3 qts/3 l water
 * 1/2 lb/250 g dry beans
 * 1 onion
 * 1 carrot
 * 1 parsley root
 * 1/2 teaspoon flour
 * 2 tablespoons oil
 * borsh (to taste) or 3 tablespoon lemon juice
 * chopped parsley and dill
 * salt

Directions

 * 1) Pick over, wash and presoak (in tepid water) the beans, the night before.
 * 2) Set to boil and after the initial first boil, change the water and set to boil again in tepid water. Repeat this procedure three times.
 * 3) To the last water, besides the beans, add onion, carrot, parsley root and salt.
 * 4) Cover the pot and let boil until the beans are tender.
 * 5) Remove the vegetables and add a mixture made by fried flour in oil, boiled borsh (to taste) and chopped parsley and dill.
 * 6) Let boil for a couple of minutes more.