Blackstone Blackened Mahi Mahi is a quick and easy meal idea. The blackening seasoning adds so much flavor and is the perfect weeknight meal.

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Blackened Mahi Mahi on a platter

Blackstone Blackened Mahi Mahi Recipe:

This Easy Blackened Mahi Mahi Recipe is one of our favorite seafood recipes. The Blackstone cooks the mahi mahi white fish so quickly and with the perfect texture. Adding the Blackened seasoning blend takes the Mahi Mahi to the next level.

We have used this blackened spice blend on many different meats. It is great on snapper, grouper, and halibut. We love cooking the Mahi Mahi because of its mild flavor and easily cooks.

If you are looking for a new seafood recipe to make, prepare the Blackened Mahi Mahi. Add your favorite sides for an easy weeknight meal.

Ingredients needed - Mahi Mahi, avocado oil, onion powder, garlic powder, cayenne pepper, oregano, salt and pepper, paprika

Ingredients: 

  • Mahi Mahi Fillets (skin removed) 
  • Avocado Oil (divided)
  • Onion Powder
  • Garlic Powder
  • Cayenne Pepper
  • Oregano
  • Kosher Salt and Black Pepper
  • Paprika

How to Make Blackened Mahi Mahi on a Blackstone Griddle: 

  • Step 1Mix Seasoning – Mix together the seasonings in a small bowl.  Place the mahi mahi fillets on a plate. Dry Mahi Mahi with paper towels.
  • Step 2 – Rub with Oil – Rub 1 tablespoon of the avocado oil onto both sides of the fillets.  
  • Step 3 – Season Fish – Then spoon the seasoning mixture over the mahi mahi and spread it around. Make sure to season both sides of the fish.  I use approximately ½ tablespoon per filet.
  • Step 4 – Prepare Griddle – Preheat the Blackstone grill over high heat (approximately 400-450 degrees Fahrenheit).  Spread the remaining avocado oil onto the grill.
Seasoning Mahi Mahi and preparing griddle
  • Step 5 – Add Mahi Mahi to griddle – Place the mahi mahi fillets on the Blackstone grill on top of the oil.  Let them cook for 2 minutes.  Time them and do not move the fish during this cooking day so that the fish will get blackened.
  • Step 6 – Cook Mahi Mahi – Then flip the mahi mahi fillets and cook for another 2-3 minutes. Cook until the mahi mahi reaches an internal temperature of 145 degrees F.
Cooking Mahi Mahi on the Blackstone
  • Step 7 – Serve and Enjoy – Remove the mahi mahi from the grill and allow it to sit for 5 minutes.  Serve warm and enjoy! 
Blackened Mahi Mahi on white rice on a plate

How to Make Blackened Seasoning:

We love making Homemade Blackened Seasoning. This way we can adjust the ingredients what we prefer. If you love the cajun seasoning, then you will love Blackened seasoning.

The spices are simple combined in a small bowl and sprinkled on the mahi mahi. You can store the leftovers in a spice jars to use in many different ways.

Blackened Mahi Mahi on white rice on a plate

Recipe Tips:

  • Check for Doneness – Use an instant-read meat thermometer to make sure that the mahi mahi is cooked. This ensure it is cooked to the right temperature.
  • Prepare Mahi Mahi – We recommend adding avocado oil to the mahi mahi before seasoning. You can even use olive oil or vegetable oil to season the mahi mahi. Dry with paper towels.
  • Prepare Griddle – Make sure to preheat the griddle to medium high heat. Drizzle oil before placing the mahi mahi on the griddle.
  • Cooking Mahi Mahi – Mahi mahi does not take long to cook. Watch it closely as it only needs about 2 minutes on each side to cook. Cook until salmon flakes easily.

Blackened Mahi Mahi Variations:

  • Oil for Griddle – You can use any oil with a high smoke point for this recipe instead of avocado oil.  Vegetable oil, Canola oil and Coconut oil would all work great for this recipe.  
  • Fish Taco – There are many ways to enjoy mahi mahi, but I love making tacos. Cook the mahi mahi as indicated then slice. Place in corn tortillas and top with red onion, fresh cilantro, and mango salsa. We even like to squeeze fresh lime juice or fresh lemon juice on top.
  • Blackened Fish – You can use blackened seasoning on may different things. We love using it on seafood such as catfish or bass. We have also used it on chicken, beef and sweet potatoes.
  • Frozen Mahi Mahi – If you prefer you can use frozen mahi mahi but it will need to be thawed. Allow mahi mahi to thaw for at least 15 minutes before cooking.
Blackened Mahi Mahi on a platter

Can I Make on the Stovetop?

Yes, you can make blackened mahi mahi on the stovetop. We recommend using a cast-iron skillet but any pan will work. Prepare and season the mahi mahi as it indicates and cook on each side for about 2 to 3 minutes.

How to Store Leftovers:

Refrigerate the leftovers in an airtight container for up to 3 days. 

Print Recipe for Blackstone Blackened Mahi Mahi:

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Blackstone Blackened Mahi Mahi

5 from 3 votes
Blackstone Blackened Mahi Mahi is a quick and easy meal idea. The blackening seasoning adds so much flavor and is the perfect weeknight meal.
Prep Time 10 minutes
Cook Time 5 minutes
Total Time 20 minutes
Servings 6
Cuisine American
Course Main Course
Calories 188
Author Grill on a Dime

Ingredients

Instructions

  • Mix together the seasonings in a small mixing bowl.  Place the mahi mahi fillets on a plate.
  • Rub 1 tablespoon of the avocado oil onto both sides of the fillets.
  • Then spoon the seasoning mixture over the mahi mahi and spread it around. Make sure to season both sides of the fish.  I use approximately ½ tablespoon per filet.
  • Preheat the Blackstone grill over high heat (approximately 400-450 degrees Fahrenheit).  Spread the remaining avocado oil onto the grill.
  • Place the mahi mahi fillets on the Blackstone grill on top of the oil.  Let them cook for 2 minutes.  Time them and do not move the fish during this cooking day so that the fish will get blackened.
  • Then flip the mahi mahi fillets and cook for another 2-3 minutes until the mahi mahi reaches an internal temperature of 145 degrees F.
  • Remove the mahi mahi from the grill and allow it to sit for 5 minutes.  Serve warm and enjoy!

Recipe Notes

Refrigerate the leftovers in an airtight container for up to 3 days.  Use an instant-read meat thermometer to make sure that the mahi mahi is cooked to a safe temperature before removing it from the grill.  
You can use any oil with a high smoke point for this recipe instead of avocado oil.  Vegetable oil, Canola oil and Coconut oil would all work great for this recipe.

Nutrition Facts

Calories 188kcal, Carbohydrates 0.5g, Protein 32g, Fat 6g, Saturated Fat 1g, Polyunsaturated Fat 1g, Monounsaturated Fat 4g, Cholesterol 124mg, Sodium 344mg, Potassium 716mg, Fiber 0.1g, Sugar 0.1g, Vitamin A 368IU, Vitamin C 1mg, Calcium 28mg, Iron 2mg

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More Blackstone Seafood Recipes:

Blackstone Blackened Mahi Mahi is a quick and easy meal idea. The blackening seasoning adds so much flavor and is the perfect weeknight meal. If you are looking for a new seafood recipe to make, prepare the Blackened Mahi Mahi. Add your favorite sides for an easy weeknight meal. #grillonadime #blackstoneblackenedmahimahi #blackenedmahimahi

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