Peel and finely chop the onion. Heat the oil in a coated pan. Brown the meatballs in it. Add onion and vegetables and fry briefly. Deglaze with 50 ml water and cook covered for about 10 minutes.
Wash the chives and cut into fine rolls. Arrange the vegetable pan on a plate. Add yoghurt and sprinkle with chives and paprika. Serve with 1 wholemeal toast.