Prepare the horse mackerel fillets by lightly coating them with flour.

Heat salad oil in a pan and fry the mackerel fillets until golden and cooked through.

Thinly slice celery, cucumber, yellow bell pepper, and myoga.

In a bowl, mix honey, water, lemon juice, soy sauce, and salt to create the honey lemon sauce.

Combine the fried mackerel fillets and sliced vegetables in a dish, then pour the honey lemon sauce over them.