Miso-Glazed Black Cod (Sable fish)

-6 (6-oz each) black cod or regular cod fillets
-1/2 cup white miso
-1/4 cup dark brown sugar
-1 teaspoon toasted sesame oil
-2 tablespoons mirin

1. Rinse the fish fillets and pat dry with paper towels

2. Combine the miso, brown sugar, sesame oil, and mirin in a small bowl until the brown sugar is fully dissolved
3. Brush about 2 tablespoons of the miso glaze on ech fillet
4. Let marinate on a plate in the refrigerator for at least 30 minutes to an hour
5. Place the fish on a baking sheet, then set under the broiler until the glaze has caramelized, 3 to 4 minutes
6. Remove the fish from the oven and brush with the remaining glaze
7. Reduce the oven temperature to 375 degrees F and cook until the fish is flaky but moist, another 5 minutes