This post may contain affiliate links.
A Restaurant Classic, Reimagined at Home
This Miso Marinated Black Cod recipe draws inspiration from the now legendary dish popularized by Nobuyuki Matsuhisa at his Nobu restaurants. The original preparation uses a simple blend of white miso, sake, and mirin to create a glaze that caramelizes beautifully under the broiler. The result is a fish that is deeply savory, lightly sweet, and impossibly tender.
Black cod, also known as sablefish, is one of the most luxurious fish you can cook at home. Naturally rich and silky, it has a high fat content that keeps it incredibly moist and forgiving, even under high heat. When paired with a savory miso marinade,, it transforms into something truly special.
What makes this dish so appealing is that most of the work happens in advance. A long marinade allows the miso to gently cure the fish, enhancing its texture while infusing every bite with umami. When it is time to cook, the fish needs only a few minutes under the broiler to achieve a golden, slightly charred top and a melting interior.
Natural Chef Tips for Perfect Miso Marinated Black Cod
This dish rewards patience. While an overnight marinade will still produce a delicious result, allowing the fish to marinate for up to 72 hours creates the most luxurious texture and depth of flavor.
When preparing to cook, resist the urge to rinse the fish. Simply brush off excess marinade with your hands, leaving a thin coating behind. This ensures proper caramelization without burning too quickly.
If you enjoy a touch more sweetness, adding up to a tablespoon of raw honey to the marinade softens the saltiness of the miso and adds a subtle glaze-like finish once broiled.
Nutrition Highlights: Omega-3 Fatty Acids
Black cod is rich in omega-3 fatty acids, which support cardiovascular health, brain function, and inflammation balance. Its healthy fat content also helps with the absorption of fat-soluble nutrients.
White miso is a fermented soybean paste that contributes savory umami along with nutrients including manganese, copper, and vitamin K.
When paired with vegetables, this dish becomes a deeply nourishing meal that feels indulgent while supporting overall wellness.

Why Black Cod Works So Well Here
Unlike lean white fish, black cod thrives in bold marinades. Its natural oils protect it from drying out and allow it to absorb flavor without becoming overpowering. This makes it ideal for miso, which can be intense if paired with a more delicate fish.
If you are new to cooking fish at home, black cod is a wonderful place to start. It is forgiving, impressive, and consistently delivers excellent results with very little hands-on time.
Serving Suggestions
This dish shines with simple accompaniments:
- Sesame glazed carrots
- Steamed bok choy, asparagus, or broccolini
- Sautéed greens
- Rice cooked in bone broth
- A light citrus dressed salad or crunchy slaw
- Chili Crisp oil drizzled over the top
A small drizzle of the clean reserved marinade on the plate adds visual elegance and reinforces the miso flavor without overwhelming the fish.
FAQ: Miso Marinated Black Cod
Can I use another fish?
Yes, but results will vary. Chilean sea bass is the closest substitute. Salmon can work, but the flavor and texture will be different.
Is this dish salty?
Miso is naturally salty, but brushing off excess marinade keeps the balance just right. Adding honey can also soften the overall profile.
Can I pan sear instead of broil?
Broiling produces the best caramelization, but a very hot cast iron pan can work if finished carefully.

Miso Marinated Black Cod
Equipment
- Cast iron skillet or stainless steel skillet
Ingredients
- 6 tbsp white miso paste
- 3 tbsp sake or dry white wine or chicken bone broth
- 3 tbsp mirin or sweet marsala
- 2 black cod fillets 8 oz each, center cut preferred
Suggested Garnish
- 2 tbsp marinade reserved before adding the raw fish
- Roasted carrots or asparagus or other vegetables of choice
- Fresh basil leaves
Instructions
- Mix the miso paste, sake, and mirin until smooth. Measure out 2 tablespoons of the marinade and reserve in a small jar in the refrigerator.
- Pat the fish dry and place skin side up in the remaining marinade. Cover and refrigerate overnight or up to 72 hours.
- Position an oven rack 6 to 8 inches from the broiler and preheat to broil.
- Remove fish from marinade and gently brush off excess, leaving a thin coating. Do not rinse.
- Place fish skin side down in a cast iron skillet. Broil for 8 to 12 minutes, rotating the skillet as needed, until deeply caramelized on top and the fish is opaque and separates easily at the thickest point.
- Transfer to plates using a fish spatula. Remove any pin bones.
- Serve with vegetables and a light drizzle of the clean reserved marinade.
Notes
- No mirin? Sweet Marsala works surprisingly well here because it provides some of mirin’s sweetness and wine-like depth. For a less-sweet substitute, use 2 tablespoons sweet Marsala plus 1 tablespoon sake.
- If you enjoy a touch more sweetness, adding up to a tablespoon of raw honey to the marinade softens the saltiness of the miso and adds a subtle glaze-like finish once broiled.
RBK Ingredient Standard
Whenever possible, we prioritize organic, local, seasonal, and transparently sourced ingredients. Learn more about our sourcing approach.
Let us know if you make this recipe! Tag @redbootkitchen and use the hashtag #redbootkitchen
