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Miso Black Cod

This is hands down THE best fish dish I’ve ever made, and quite possibly one of the best I’ve ever had, period! Marinated in miso, mirin and sugar and roasted to perfection, this miso black cod is a beautiful dish that anyone can pull off at home.

It’s incredibly easy to make and only requires 4 ingredients. All you need to do is combine the marinade ingredients and marinate the fish. The longer it sits in the marinade the better! Once marinated, pop the fish into the oven and you’re all set.

Black cod has a rich, buttery flavour and a silky, velvety texture. Due to its high fat content, it’s almost impossible to overcook, making it an easy fish to work with, especially for anyone that hasn’t or doesn’t cook fish much. This recipe is designed for black cod but is also works beautifully with salmon.

  • Prep Time: 10 minutes
  • Total Time: 3 hours 30 minutes
  • Yield: 2 1x
  • Category: Fish

Ingredients

Scale
  • 2 tbsps white miso paste
  • 2 tbsps mirin
  • 2 tbsps granulated sugar
  • 2 skin-on black cod fillets (170g to 200g each)

Instructions

  1. Whisk the white miso paste, mirin and sugar until smooth and well-incorporated. Place the fish fillets in a wide bowl. Add the marinade to the fish and turn to coat.
  2. Place the fillets flesh-side-down in the bowl. Cover and refrigerate for at least 3 hours, or preferably overnight. This step is crucial! Please don’t be tempted to marinate the fish for any less than 3 hours. The longer it sits in the marinade, the better it will be.
  3. Heat your oven to 230℃ / fan 210℃. Line a small baking tray with greaseproof paper (the sugar content is going to make things very sticky!).
  4. Place the marinated black cod fillets in a single layer on the lined baking tray. You don’t need to scrape off the marinade. Don’t discard the remaining marinade.
  5. Roast the fish for 10 minutes, then take the baking tray out and switch your oven to the grill setting on high.
  6. Brush the fillets with some of the reserved marinade. Return the tray to the oven and grill the fish for 3 to 5 minutes, or until browned and charred in places. Serve with steamed rice and vegetables and enjoy!
  7. Notethe black cod fillets I used were kindly gifted to me by @hookdseafood. They’re kindly offering my followers a discount code. Use code ZENASKIT15 at checkout for 15% off your order. Click here to buy some black cod.

Notes

The equipment section above contains affiliate links to products we use and love!

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