For the cabbage rolls, carefully peel 8 nice and large leaves from the cabbage, blanch in salted water and place on a towel to cool.
Sauté onion until translucent and let cool. Soak bread roll. Mix meat well with the squeezed out bread roll, onion, mustard and all spices.
Place 2 cabbage leaves on top of each other, put 1/4 of the meat mixture in the middle, fold in the sides of the cabbage leaves and roll up.
Wrap well with bacon strips. Heat clarified butter in a roasting pan, brown the roulades on all sides, pour in soup as hot as possible and bake covered at 180 °C for about 30 minutes.
Serve the cabbage roulades with mashed potatoes.