Wash the potatoes and cook in water for about 20 minutes. Quench cold and peel. Clean the cabbage and cut out the stalk in a funnel shape. Cook cabbage covered with boiling water for 15-20 minutes.
Remove the cabbage and let it cool down a little. In the meantime peel and dice the carrots. Cook in boiling salted water for 3-4 minutes. Drain. Drain and mash the potatoes.
Add the egg, melting flakes, onion-garlic mixture and carrots, except for something to sprinkle, and mix. Season with salt and pepper. Remove approx. 8 leaves from the cabbage head and cut the thick ribs flat.
Use the rest of the cabbage for other purposes. Place about 2 tablespoons of potato mixture on each cabbage leaf and roll up into small roulades. Pin them with wooden skewers. Heat oil in a pan and d
Deglaze with 1/8 litre stock and braise for 8-10 minutes. Remove the roulades and keep warm. Add remaining stock and cream to the stock and bring to the boil. Add tomato paste and stir in.
Thicken with sauce thickener, bring to the boil and season with salt and pepper. Arrange cabbage rolls and sauce on a plate. Sprinkle with remaining carrot cubes and possibly with chopped parsley. Serve garnished with parsley if desired.