Meat and mushrooms are covered with 1.2 liters of water and boil until soft. Shortly before that, add the cleaned, chopped roots for soup. Sauerkraut is finely cut and boil in a little water until soft. Strain meat broth is poured over the sauerkraut. Salo is cut into cubes and onions cut finely and fry gently in salo. Add the flour. Soup thickened with flour roux and taste. Root soup and mushrooms cut into strips and put in the soup.