Steamed fish & pak choi parcels

Name: Steamed fish & pak choi parcels
Prep time: 10 min
Cook time: 15 min
Total time: 25 min
Cuisine: Asian
Ingredients: 4 plaice haddock or other MSC-certified white fish fillets; 2 pak choi thickly sliced; 4 spring onions shredded; 1 red chilli thinly sliced; 3cm ginger cut into matchsticks; 2 tbsp reduced-salt soy sauce; juice 1 lime; 1 tsp sesame oil