Cook the meat broth with the pork ribs until tender.
Slightly cut the sauerkraut and simmer in the broth until tender.
Dice the onions, carrots, parsley root, potatoes, bacon and pork fat. Fry potatoes, bacon and pork fat with a little vegetable oil. Add onions, carrots and parsley root and cook until vegetables are tender.
Add kvass to the broth and bring to the boil, t