Saikyo Yaki (西京焼きの作り方 (レシピ)

Ingredients:

4 fish fillets (black cod, salmon, sea bass, Japanese spanish mackerel, etc…)
salt
A
* 300g (10.5oz.) Saikyo white Miso
* 3 tbsp. Sake
* 3 tbsp. Mirin (sweet Sake)