350 g (12 oz) dried udon noodles
1 large carrot, cut into bite-size chunks
225 g (8 oz) chicken breasts or thighs, skinned and cut into bite-size pieces
8 raw king prawns, peeled and deveined
4 - 6 Chinese cabbage leaves, cut into short strips
8 shiitake mushrooms, stems removed
50 g (2 oz) mange-touts, topped and tailed
1.5 litres (2 1/2 pints) 6 1/4 cups chicken stock or instant bonito stock
30 ml (2 tbsp) mirin soy sauce, to taste
1 bunch spring onions, finely chopped,
30 ml (2 tbsp) grated fresh root ginger, lemon wedges, and extra soy sauce, to serve