Wash the potatoes thoroughly. Cook in boiling water for about 30 minutes. In the meantime, wash the meat, dab dry and cut into cubes. Clean, wash and chop the peppers.
Peel and chop the onion. Heat the oil in a pot. Brown the meat and onions in it. Add sauerkraut and paprika. Season with pepper, add bay leaf and apple juice and braise covered for about 20 minutes.
Drain the potatoes and let them evaporate. Stir starch with 100 g sour cream until smooth. Add to the sauerkraut and mix well. Let simmer for 2-3 minutes. Wash chives, dab dry and cut into small rolls.
Mix half of it with the sauerkraut, season with salt and pepper. Cut the potatoes lengthwise, break them apart a little. Fill the potatoes with the sauerkraut mixture. Put 100 g sour cream in patches on the potatoes, sprinkle with remaining chives.