Clean and wash the savoy cabbage and cut into strips. Cover and simmer in the boiling broth for 10 minutes. Drain the cabbage while collecting the broth.
Heat the butter in a saucepan and sweat the flour and tomato paste. Deglaze with the cabbage stock until a creamy sauce is formed. Bring to the boil while stirring, add a little more stock if necessary. Season to taste with salt, pepper and paprika. Fold the savoy cabbage into the sauce and set aside, covered.
Halve the meat sausage lengthways and cut into slices. Dice the onion. Fry both in a pan. Then add the sausage and onions to the savoy cabbage and mix well. Season again to taste.