Soak rolls in cold water. Peel onions. Chop one onion finely. Mix minced meat, diced onion, squeezed out roll and egg. Season with salt and pepper and form into small balls.
Clean, wash and cut the vegetables into small pieces. Keep some celery leaves. Cut the remaining onions into slices. Heat olive oil. Brown the onion slices in it. Add tomatoes, paprika and celery.
Season with salt, pepper and laurel. Stir in tomato paste. Deglaze with broth. Cover and cook for about 20 minutes. In the meantime, put rice in boiling salted water and cook for about 20 minutes at a mild heat, drain and finally add to the stew.
Fry the meatballs in hot oil all around for about 5 minutes. Season stew with salt and pepper. Add meatballs. Serve stew sprinkled with celery green.