Cast Iron Skillet Mahi Mahi

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Cooking with a cast iron skillet can give your food amazing flavor – just like with this Cast Iron Skillet Mahi Mahi. Mahi Mahi is one of our favorite gluten-free dinner options, which you can find all of our Mahi Mahi recipes in one easy to navigate collection!

If you don’t cook regularly with your cast iron skillet, hopefully, this recipe will win you over and you’ll test out your cooking skills with a cast iron skillet. They’re great for cooking with high heat and giving the food a deliciously seared crust.

two mahi mahi fillets in a cast iron skillet

If you caught my recent recipe on how to blacken Mahi Mahi – then you’ll know that cooking with a cast iron skillet is super easy. We love to pan sear steaks, seafood, shrimp, and more in our cast iron skillet. And believe it or not, the clean-up is a sinch!

Ingredients needed

4 Mahi Mahi fillets
2-3 Tbsp. avocado oil
1/4 cup seafood seasoning

How to cook Mahi Mahi with your cast iron skillet

Add 2-3 tablespoons of avocado oil – we recommend avocado oil – over medium-high heat.

Generously season both sides of the Mahi Mahi fillets. You can blacken the Mahi Mahi using a homemade blackening seasoning, or season with your favorite seafood seasoning.

Gently add the Mahi Mahi fillets to the hot oil and cook for four minutes on one side.

Mahi Mahi fillets cooking in a cast iron skillet

Carefully flip the Mahi Mahi fillets and cook for another four minutes on the other side until done. You can check both the internal temperature and use a fork to pull apart a small part of the fillet to see if it’s white and flaked. The optimal internal temperature for Mahi Mahi is 137 degrees F.

cooked Mahi Mahi fillets in a cast iron skillet

Serve your fillets with your favorite gluten-free side dish and dipping sauce!

one mahi mahi fillet, sweet potato fries, and dipping sauce in a white bowl

Delicious sides to serve with your cast iron skillet Mahi Mahi

Spicy Sweet Potato Fries
Shoestring Sweet Potato Fries
Paleo Thousand Island Dressing (makes a delicious dipping sauce!)
Remoulade Sauce Recipe

Cast Iron Skillet Cooking FAQs

Is cooking with a cast iron skillet bad for you?

No, there are no harmful elements from cooking in a cast iron skillet. If anything, you may ingest a small amount of iron by cooking your food in a cast iron skillet.

Can you ruin a cast iron skillet?

Never use soap with your cast iron skillet, and do not put it in the dishwasher. If you do you will strip the seasoning from the skillet.

How to you clean and season a cast iron skillet?

To initially season your skillet spread a thin layer of avocado oil over the inside of the skillet. Preheat your oven to 375 degrees F. – place yoru skillet in the oven and let bake for 1 hour. Cool before using or storing.

a cast iron skillet and a bottle of avocado oil

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