Prepare the miso marinade: mix all the miso, cooking wine, mirin, soy sauce and sugar, until its well-mixed.
Clean and dried the mackerel fish with kitchen paper. Put the miso marinade on the fish evenly. Put the fish and all the marinade into a zippo bag, keep it in the fridge for at least two days.
Take out the fish, just leave little miso marinade. Prepare the pan with hot oil, start frying with low heat.
Wait until the skin side become gold in color(around 3 mins), turn to other side until its done. Make sure that dont keep Turing over.
Suggestion: it also can be done by grill or oven. The mackerel fish also could replace with cod fish.
