This Hawaiian Fish Will Give You All the Island Vibes

⁄4 cup white miso paste

⁄4 cup packed brown sugar

sake

mirin

 cup rice vinegar

 cup soy sauce (shoyu)

(1/2-inch) piece fresh ginger, peeled and finely grated

North Pacific sablefish fillets

steamed rice, for serving

furikake, for serving

blanched baby bok choy, for serving