Miso mackerel rice bowl

Name: Miso mackerel rice bowl
Ingredients: 2 tsp white miso; ½ tbsp rice wine vinegar; ½ tsp honey; 1 tsp low sodium soy sauce; ½ tsp sesame oil; 1 tbsp cold-pressed rapeseed oil; 2 leeks, washed and sliced; 1 garlic clove, finely grated; thumb-sized piece ginger, half grated, half cut into matchsticks; 2 pak choi, shredded; 250g pouch wholegrain rice; 2 mackerel fillets; ½ red chilli, cut into thin strips