Bring chicken stock to a boil add the chopped carrot, celery and onion and lower heat. Combine ground meat or vegieburger, egg, and parsely, the consistancy of the mixture is kinda loose. Drop in small pieces of the meat mixture, not much larger than a Tablespoon. (making tiny meatballs.) Turn up the heat and bring to a boil, 5 -7 minutes, it is ready when the little meatballs float to the surface.