Clean, wash and cut the savoy cabbage into large pieces. Peel onion and garlic and chop finely. Cut Cabanossi into slices
Spread a large, coated pan with clarified butter and heat it up. Add the sausage and fry it for approx. 4 minutes, turning it over, then take it out. Add clarified butter and heat up. Fry cabbage for 4-5 minutes while turning. After about 2 minutes add onion and 1/4 teaspoon caraway, season with salt, pepper and nutmeg. Pour on stock, simmer for 2-3 minutes
Mix sour cream, mustard and 1/4 tsp. caraway, season with salt and pepper. Pour cabbage through a sieve and drain well. Take the tarte flambée dough out of the packet and roll it out on the baking paper directly on a baking tray. Spread the dough with mustard cream, cover with savoy cabbage and cabanossi slices
Bake in the preheated oven (electric cooker: 225 °C/ convection oven: 200 °C/ gas: level 4) for about 15 minutes. Remove the tarte flambée and cut into pieces