I'm a Registered Dietitian. Add Sablefish to Your Weekly Meal Plan for Improved Heart, Brain, and Joint Health

If you're a fish lover, you probably rely heavily on the classics: salmon, shrimp, tilapia, and the like. But it's easy to get bored with even the most nutrient-dense staples when you're prepping them all the time. Sometimes you need to switch up your fish dish for the sake of your palate and overall nutrition. And for that, sablefish serves as a worthy replacement.

"Sablefish-also called black cod-is completely underrated," says Amy Shapiro, MS, RD, CDN, lead nutritionist for ButcherBox. "It's one of the most nutrient-dense, omega-3-rich fish you can eat, and the eating experience is unlike almost anything else."

Omega-3 fatty acids have been strongly linked to heart health, helping lower triglycerides, reduce blood pressure, and support overall cardiovascular function. They can also help control inflammation in the body and support cognitive function for better brain health

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Salmon always gets hyped up for its rich omega-3 content, but sablefish actually rivals that, containing 1,500 to 2,000 mg of EPA and DHA per serving. So while it may have a higher fat content than salmon, much of that comes from healthy fats that protect the brain, heart, and joints.

"Some people are thrown off by how rich sablefish is. It's buttery and almost silky in texture, so if you're used to leaner white fish like tilapia or cod, it can feel indulgent," Shapiro explains. "That richness is actually a bonus! It's deeply satisfying in a way that keeps you full and makes it hard to overcook."

Availability is the biggest obstacle since sablefish isn't sold at every grocery store. For that, it's probably best to look at specialty fish markets or higher-end grocers. But, when you do find it, Shapiro suggests getting ahead of it by stocking up and keeping it in your freezer.

How to Cook Sablefish

"Sablefish is incredibly forgiving in the kitchen, which makes it great for people who are nervous about cooking fish-like me!" Shapiro says. "Because of its fat content, it stays moist even if you over cook it a little."

Shapiro suggests preparing it with a simple miso glaze made from white miso, a touch of honey or mirin, and soy sauce. Broil it for about 8 to 10 minutes until caramelized and flaky. For even simpler preparation, season with salt, then sear it skin-side down in a hot pan with avocado oil before finishing it in the oven.

Serve it with colorful veggies and a whole grain for a balanced meal. If you cook extra, you can easily use leftovers the next day for a healthy lunch protein with a salad or on top of avocado toast for breakfast.

Nutrition Facts

Nutrition information is based on data shared by Eat This Much and may vary, especially depending on preparation method. Below values are for a 151-gram serving of sablefish, roughly half a fillet.

• Calories: 378
• Fats: 30g
• Protein: 26g

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This story was originally published by Men's Journal on May 6, 2026, where it first appeared in the Health & Fitness section. Add Men's Journal as a Preferred Source by clicking here.

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This story was originally published May 6, 2026 at 1:23 PM.