1. peel sweet potato, cut into small cubes, make in salted water 12-15 min.
2. cut meat diagonally into slices about 8 mm thick.
3. rinse cabbage leaves, cut off. Peel onions and cut into wedges.
4. Heat 1 tsp. oil in a coated frying pan. Sear fillet slices in it on both sides for 2 to 3 min. Remove and set aside.
Heat remaining oil (1 tsp.) in frying pan. Stir-fry white cabbage, onions and pine nuts in it for 3 to 4 min. Pour clear soup, add vinegar, bay leaf, raisins, meat. Cook over medium heat for 8 to 10 minutes.
Drain and mash potatoes, season with salt and cayenne pepper.
Season fillet pan with cayenne pepper, sugar, salt. Garnish with parsley, bring puree to the table.