Cut the chicken fillet into strips, place in a saucepan, cover with water and cook for 20-30 minutes. Periodically remove the foam that forms.
While the broth is cooking, prepare the vegetables. Cut the potatoes into cubes.
Cut the onion into half rings.
Grate the carrots on a coarse grater.
Fry the onions and carrots in a frying pan heated with vegetable oil.
Add potatoes, peppercorns, chili pepper, salt to taste, sauerkraut and sautéed vegetables to the broth. Stir.
Bring the cabbage soup to a boil, reduce heat and simmer for 30 minutes.