Mix the salmon with the 3 tablespoons each of soy sauce and mirin. Set aside for a few minutes while you prepare everything else. `
Cook the noodles according to pack instructions. Refresh briefly under cold water. Mix the sesame oil, dark soy sauce and juice of 1 lime in a bowl and add the noodles followed by the chilli, spring onion, spinach and coriander.
Heat the vegetable oil in a frying pan or on the flat side of a griddle and cook the salmon skin side down for 2 minutes. Flip and cook for another 2 minutes before flipping again and finishing skin side down until it's crisped up.
While the salmon is cooking cut the pak choi in half and cook alongside the salmon for a few minutes until wilted. Serve each salmon and pak choi with half the salad. Top with sesame seeds and serve with a slice of lime.
Notes
Nutrition information is an estimate and will vary depending on the ingredients used.