Stir the roasting powder with 100-125 ml lukewarm water and eggs and let it swell for 15-20 minutes. Clean and wash white cabbage and carrots. Cut white cabbage into coarse pieces, carrots into thick slices. Peel and chop onion. Heat 2 tablespoons of oil in a pan. Braise cabbage, carrots and onions in it at high heat. Deglaze with broth and braise covered for 10-15 minutes.
In the meantime, form 4 meatballs from the fried meat mixture and press flat. Heat the rest of the oil in a second pan and fry the fried meatballs for about 4 minutes, turning them over. Wash the chives, dab dry and cut into fine rolls. Mix crème fraîche with caraway and a little salt. Season the cabbage pan to taste with salt and pepper and arrange the roastings with a dash of caraway crème fraiche on top. Serve sprinkled with chives. Add the rest of the crème-fraîche extra