1 large carrot, halved
2 red chillies, finely sliced
small bunch fresh coriander, roughly chopped
5cm/2in piece fresh root ginger, peeled and sliced
1 large leek, halved
200g/7oz mixed fresh mushrooms (such as shimeji, enoki, shiitake, oyster)
1 onion, halved
200g/7oz pak choi, halved
40g/1陆oz dried shiitake mushrooms
2 spring onions, finely sliced
4 portions of wheat noodles or ramen noodles
1 tsp whole black peppercorns
1 cinnamon stick
3 tbsp fish sauce
1 tbsp salt
3 tbsp light soy sauce
4 star anise
4 duck legs