Step 1

Pat the cod fillets dry with paper towel.

Step 2

In a lidded container, whisk miso, mirin, sake, sugar, and salt until well combined.

Step 3

Add the cod fillets to the miso marinade and leave in the fridge for at least 24 hours and up to 72 hours.

Step 4

When ready to cook the miso cod, spray the bottom of the air fryer basket with the olive oil spray.

Step 5

Put a piece of foil underneath the fish and carefully lower it into the basket of the air fryer.

Step 6

Attach the air fryer lid. Press the Air Fry button and set the temperature for 375 degrees F for 10 minutes then press Start.

Step 7

Remove cod from the basket immediately or it will continue to cook. Discard foil and transfer fish to a serving plate.

Step 8

Serve immediately with rice, fresh cucumber, and pickled radish.

Step 9

To make the pickled juice, in a medium sauce bowl, whisk vinegar, water, and sugar until dissolved. Add the sliced radish to one bowl and the onion to the second bowl. Let them pickle for 2 hours.