Pat the fish dry with kitchen paper
Mix together the salt, zest and ginger and cover the fish with it – leave to marinate for 10 minutes
Set up a steamer and place the cod on a heat proof plate that will fit in your steamer.
Steam the fish for 5-7 minutes, until cooked through
In the meantime, heat the oil in a large wok and toss together the vegetables and chilli and fry off for 5 minutes.
Add the noodles, give it a good stir and heat through for a couple of minutes.
While that is heating up, mix together the soy sauce, sesame oil and fruit juices until well combined.
Plate up the noodles, top with the fish and drizzle over the dressing.