Cut the rolls into cubes. Dice the onion, sauté in butter until translucent and let cool down a little. Pour warm milk over the rolls. Then add the onions, eggs and spices and finally the cheese. Knead all ingredients thoroughly and let rest for 20 minutes.
Shape 8 flat dumplings and fry in oil in a pan over medium heat.
Dice the carrots and celery and cook in a strongly seasoned vegetable stock for about 15 minutes.
Put the soup on the plates, insert the cheese dumplings and sprinkle with chopped parsley.