This King Mackerel Steak is bold, rich, and intensely satisfying! Mackerel is a high fat, ocean fish that is cooked with controlled heat, has a crisp skin, and balanced seasoning. It offers a juicy interior with lightly charred edges and a clean, bright finish.
If you’re a seafood lover, you probably have a soft spot for melt in your mouth Black Cod which we also make Miso Cod, or this luscious Chilean Sea Bass. However, unlike those delicate filets, this king mackerel steak, which are often called kingfish steaks are firm and structured to handle intense grilling.
Grilling kingfish steaks develops a deep golden crust while staying moist around the bone. You can read all about Grilled Trout : How to Grill Fish without it sticking for the BEST tips on grilling fish.
What Is King Mackerel, aka Kingfish Steak?
King Mackerel steak is a cross cut slice from King mackerel, typically including:
- A thick and uniform cut which makes it easy to cook uniformly.
- Bone in structure which adds flavor.
- A firm and meaty texture similar to Ahi tuna or swordfish
- Relatively good fat content, which makes it a great candidate for grilling.
You’ll find kingfish steaks in warm waters like the Gulf of Mexico and extending down toward Brazil, this fish is known for its powerful pursuit of prey. Typically feeds on small fish, sardines, mullet, shrimp, and even squid.
That diet contributes directly to its deep, savory flavor. King mackerel is often confused with Spanish mackerel. But the difference is in the streamlined body with a visible lateral line, Silvery sides with subtle markings (sometimes yellowish spots) and, dusky fins and an iron gray back
It is commonly prepared as:
- Steaks which are: cross cut, bone in, including the belly section which is what we have today
- Fillets that are boneless sides.
In some cuisines, steaks are favored because they preserve moisture better than fillets and they can cook evenly over open flame. In terms of sustainability, using those steaks maximizes yield from large fish.
Why Kingfish Steaks Excel on the Grill?
- It’s fat distribution around the bone retains moisture
- The dense muscle fibers resist breaking apart
- Thickness of the steaks allows crust formation without overcooking
What The Skin Does for King Mackerel
- It protects the flesh
- Makes a pleasant crisp texture when cooked properly
- The skin also prevents the meat from sticking
Why You’ll Love King Mackerel
- This fish is easily flavored and made in so many ways, including baking like our viral Mediterranean Baked Fish.
- It has a steak like texture which is so satisfying!
- The kingfish steaks are sturdy and hard to overcook compared to other filets.
- This ia a great recipe for indoor and outdoor grilling depending on the weather.
- It’s naturally rich in flavor and requires minimal seasoning
- You need just 15 minutes of cooking depending on the thickness of your steaks so it’s a great fast dinner option.
Ingredients You’ll Need
King mackerel steaks
Look for
- Thick, even cut steaks
- Firm, springy flesh
- Moist surface (not dry)
- Clean ocean smell
- Bright, metallic skin with silvery sides
- Avoid the thin steaks, any fishy smell and dry or oxidized edges.
Marinade
- Olive oil. It offers a Mediterranean flavor, while neutral oil has a higher heat tolerance.
- Lemon Juice. It cuts the richness of the fish while adding brightness.
- Garlic. Minced fresh garlic for depth and aroma
- Herbs. Adds freshness, choose your favorite. We used cilantro and parsley for this recipe.
- Soy Sauce. For extra Umami and saltiness to the fish.
- Mustard. Dijon mustard is great or even a grainy mustard would work.
- Honey. For sweetness to balance out the salty soy sauce. You can use maple syrup, and you can alternatively substitute honey mustard.
How to Cook King Mackerel / Kingfish Steaks
Bring to Room Temperature
- If you have frozen kingfish, make sure to thaw first. This ensures even cooking and makes the fish easier to absorb any marinade.
Pat Completely Dry
- Before marinating, make sure to pat dry the fish so you can achieve a crisp skin texture.
Season The King Mackerel
- Mix in a bowl the marinade ingredients well and set aside.
- Use a brush or spoon, slather one side of the fish steaks with the marinade. Be generous as this will flavor the fish very well. You can leave the fish marinating or you can go ahead and start grilling the fish.
- Preheat the cooking surface to medium-high heat and grill either indoor or outdoor.
Outdoor Grill Method
- Oil grates lightly, read out guide on Grilled Trout : How to Grill Fish without it sticking
- Place steak on the brushed side down first
- Cook undisturbed
- Watch for flare ups
- Flip once carefully
- Move to a cooler zone to continue cooking
Indoor Grill Pan Method
- Preheat pan thoroughly
- Place fish marinade side down
- Press lightly for contact
- Flip and finish cooking
Monitor Doneness
- The fish is ready when the flesh turns opaque, while still slightly soft in center.
- Avoid drying the edges of the fish.
Serve
- Serve the king mackerel right away with more herbs on top, a squeeze of lemon juice and enjoy!
- The texture is super juicy, but not fall apart of melt in your mouth. It has a beautiful texture and unique flavor, a must try for seafood lovers!
Expert Tips for Cooking King Mackerel Steaks
- Use moderate heat and avoid aggressive high heat.
- Watch for flare ups on the grill because fat drips and creates a strong flame.
- Make sure you buy good quality mackerel, it makes a difference in the final taste.
- Keep the seasoning simple to avoid overpowering the fish.
- Use acid to balance richness, we prefer lemon however you can use vinegar
- Don’t overcook because this fish dries at edges quickly
- Always keep the skin on, it keeps the flesh juicy and helps with crispy texture.
- Use a fish spatula for clean flipping.
King Mackerel Variations
- Lemon Grilled King Mackerel: Bright citrus zests and juices are used to balance the rich fat content of the fish.
- Mediterranean King Mackerel: Use olive oil, herbs, and garlic for a clean, coastal profile.
- Spicy King Mackerel: Add in Chili Oil and seasoning that contrasts oily texture.
- Caribbean Style King Mackerel: Uses citrus, spice, and herbs reflecting tropical waters where the fish thrives.
What Does It Tastes Like
- Rich and oily
- Deep and savory
- Slight sweetness
- Balanced by acidity
What if it’s Too Greasy
The heat used was too low for cooking the fish
Why Does It have a Burnt Exterior
You probably had a very high heat while cooking the fish
What if The Fish is Falling Apart
You have overcooked the fish at this point.
Why Does it Have a Strong Taste
The fish you started with was not fresh or good quality.
Storage And Reheating
- Refrigerate leftover fish in an airtight container for 1–2 days
- Reheat gently in an oven or air fryer over foil lined sheet. Avoid the microwave because it changes the texture.
What does king mackerel eat?
Small fish, shrimp, squid, and sardines.
Where is king mackerel found?
Warm waters like the Gulf of Mexico and Atlantic regions.
When is king mackerel season?
Often peaks in April, October, and November.
Is king mackerel good for grilling?
Yes, but requires heat control due to high fat.
What’s the difference between king and Spanish mackerel?
King mackerel is larger, richer, and more intensely flavored.
Fishery Context For King Mackerel
King mackerel thrive in a warm waters habitat, often moving seasonally as water temperature changes. They enter waters closer to shore during migration periods commonly peaking around April, October, and November depending on region.
They are central to
- Commercial fishing operations
- Recreational fishing communities
Managed under strict fishery guidelines, including:
- Minimum size limit
- Catch regulations
- Oversight by organizations like NOAA Fisheries
Fishing methods include:
- Rod and reel setups
- Handlines
- Artificial lures like spoons
- Live bait such as sardines, mullet, and other small fish
Fish Recipes
Black Cod Recipe
Fried Octopus
Sardines
Baked Haddock
Halibut
Perch
Baked Mahi Mahi
Pan Seared Cod
Chilean Sea Bass Recipe
Salmon Burgers
Tuna Pasta
King Mackerel
This King Mackerel Steak is bold, rich, and intensely satisfying! Mackerel is a high fat, ocean fish that is cooked with controlled heat, has a crisp skin, and balanced seasoning. It offers a juicy interior with lightly charred edges and a clean, bright finish.
Ingredients
Fish
- 4 pieces King Mackerel Steaks defrosted
- 1 Tablespoon olive oil
Marinade
- 3 garlic cloves minced
- 1 Tablespoon soy sauce
- 1/4 teaspoon each salt and pepper
- 1/2 teaspoon oregano
- 1 Tablespoon honey
- 1 Tablespoon lemon juice
- 1 teaspoon mustard
- 1 Tablespoon Herbs minced
- 2 Tablespoons olive oil
Instructions
-
If you have frozen kingfish, make sure to thaw first. This ensures even cooking and makes the fish easier to absorb any marinade.
-
Before marinating, make sure to pat dry the fish so you can achieve a crisp skin texture.
-
Mix in a bowl the marinade ingredients well and set aside.
-
Use a brush or spoon, slather one side of the fish steaks with the marinade. Be generous as this will flavor the fish very well. You can leave the fish marinating or you can go ahead and start grilling the fish.
-
Preheat the cooking surface to medium-high heat and grill either indoor or outdoor.
-
Outdoor Grill Method
-
Oil grates lightly, read out guide on Grilled Trout : How to Grill Fish without it sticking
-
Place steak on the brushed side down first
-
Cook undisturbed
-
Watch for flare ups
-
Flip once carefully
-
Move to a cooler zone to continue cooking
-
Indoor Grill Pan Method
-
Preheat pan thoroughly
-
Place fish marinade side down
-
Press lightly for contact
-
Flip and finish cooking
-
The fish is ready when the flesh turns opaque, while still slightly soft in center.
-
Avoid drying the edges of the fish.
-
Serve the king mackerel right away with more herbs on top, a squeeze of lemon juice and enjoy!
-
The texture is super juicy, but not fall apart of melt in your mouth. It has a beautiful texture and unique flavor, a must try for seafood lovers!
Recipe Video
Recipe Notes
Expert Tips for Cooking King Mackerel Steaks
- Use moderate heat and avoid aggressive high heat.
- Watch for flare ups on the grill because fat drips and creates a strong flame.
- Make sure you buy good quality mackerel, it makes a difference in the final taste.
- Keep the seasoning simple to avoid overpowering the fish.
- Use acid to balance richness, we prefer lemon however you can use vinegar
- Don’t overcook because this fish dries at edges quickly
- Always keep the skin on, it keeps the flesh juicy and helps with crispy texture.
- Use a fish spatula for clean flipping.
King Mackerel Variations
- Lemon Grilled King Mackerel: Bright citrus zests and juices are used to balance the rich fat content of the fish.
- Mediterranean King Mackerel: Use olive oil, herbs, and garlic for a clean, coastal profile.
- Spicy King Mackerel: Add in Chili Oil and seasoning that contrasts oily texture.
- Caribbean Style King Mackerel: Uses citrus, spice, and herbs reflecting tropical waters where the fish thrives.
What Does It Tastes Like
- Rich and oily
- Deep and savory
- Slight sweetness
- Balanced by acidity
What if it's Too Greasy
The heat used was too low for cooking the fish
Why Does It have a Burnt Exterior
You probably had a very high heat while cooking the fish
What if The Fish is Falling Apart
You have overcooked the fish at this point.
Why Does it Have a Strong Taste
The fish you started with was not fresh or good quality.
Storage And Reheating
- Refrigerate leftover fish in an airtight container for 1–2 days
- Reheat gently in an oven or air fryer over foil lined sheet. Avoid the microwave because it changes the texture.
What does king mackerel eat?
Small fish, shrimp, squid, and sardines.
Where is king mackerel found?
Warm waters like the Gulf of Mexico and Atlantic regions.
When is king mackerel season?
Often peaks in April, October, and November.
Is king mackerel good for grilling?
Yes, but requires heat control due to high fat.
What’s the difference between king and Spanish mackerel?
King mackerel is larger, richer, and more intensely flavored.
Fishery Context For King Mackerel
King mackerel thrive in a warm waters habitat, often moving seasonally as water temperature changes. They enter waters closer to shore during migration periods commonly peaking around April, October, and November depending on region.
They are central to
- Commercial fishing operations
- Recreational fishing communities
Managed under strict fishery guidelines, including:
- Minimum size limit
- Catch regulations
- Oversight by organizations like NOAA Fisheries
Fishing methods include:
- Rod and reel setups
- Handlines
- Artificial lures like spoons
- Live bait such as sardines, mullet, and other small fish
Now I’m hungry. This is such a delicious looking dish. It makes me wish I liked seafood!