Vegetable Soup with chicken

1 medium tomato 2 stalks celery 2 leeks 200 g chicken breasts 2 sausages 1/2 onion 2 garlic cloves 2 shallots 1 pinch nutmeg salt and pepper 1 cup string bean[...]

3 cups chicken stock 3 cups beef stock 3 carrots , chopped 1 small onion , chopped 4 bay leaves 1 cup mushroom , chopped 2 stalks celery , chopped 3 cups[...]