Spicy Korean Mackerel is a delicious and flavorful dish that is popular in Korean cuisine. The mackerel is marinated in a spicy sauce made with gochujang, soy sauce, garlic, and ginger. It is then grilled or pan-fried until cooked through. This dish is perfect as a main course and can be served with rice and banchan (side dishes). It is easy to make and can be stored in the refrigerator for a few days.