Peel, wash and roughly dice the carrots and potatoes. Peel and finely dice the onion. Fry carrots, potatoes and half of the diced onion in 1 tbsp. hot oil.
Pour on approx. 1 l water, bring to the boil and stir in the stock. Cover and simmer for about 15 minutes. Knead minced meat, rest onion, tomato paste, breadcrumbs and egg. Season with salt and pepper
Shape the mince into 16 small balls. Heat 2 tablespoons of oil in a frying pan. Fry the meatballs for 5-7 minutes. Coarsely mash carrots and potatoes in the soup.
Season soup with salt, pepper and nutmeg. Add balls to the soup and serve. Wash the chives. Cut into small rolls over the soup plates.