Fresh, healthy, and vibrant with flavor this Blackened Mahi Mahi recipe is a low-carb, low calorie lover’s dream dish!

Savory blackened seasonings are flash-cooked on the outside of the fish filet while the fish stays moist and flaky. Try this recipe for blackened Mahi Mahi and cook an insta-worthy dish with minimal effort and maximum flavor!

Blackened Mahi Mahi being eaten with a fork

Blackened Mahi Mahi

© Easy Low

PIN IT to your MAIN DISH Board for later!

Follow Easy Low Carb on Pinterest for More Great Low Carb Ideas!

Blackened Mahi Mahi Recipe

  • Mahi Mahi is so easy to work with. No skin and few, if any, bones are found in the filets making it one of the best options for a fish-based meal.
  • This recipe for blackened mahi mahi is deceptively easy to make and is an impressive addition to any picnic or bbq.
  • Four ingredients, four steps, and one skillet mean a healthy, delicious dinner is on the table in minutes! Experiment with this multi-use Southwest Seasoning DIY blend for Mahi Mahi fish tacos.

What Does Mahi Mahi Taste Like?

Mahi Mahi has a mild, slightly sweet flavor and a firm texture which makes it perfect for grilling, adding to soups and chowders, tacos, wraps, and sandwiches.

Mahi Mahi fillets in a pan

Easy 4 Ingredient Recipe

FISH: Mahi Mahi is white fish when cooked yields flaky delicious morsels. Buy fresh or frozen fillets, both will fare well with this recipe.

SEASONING: Whitefish is mild flavored and perfect for a strong seasoning like the one in this recipe. Blackened seasoning is a mixture of herbs and spices in which the predominant spice is paprika.

BUTTER & OIL: It isn’t the seasoning that gives this dish its well-known name. In fact, the searing of the fish in the olive oil & butter, causes the outside flesh to become blackened and charred.

How To Make Blackened Mahi Mahi

Just a few easy steps to this flavorful and healthy dish.

  1. Pat filets dry and coat with seasoning.
  2. Heat oil and butter in a skillet.
  3. Cook fish on both sides (per the recipe below).
  4. Rest fish slightly before serving.

seasoning and pan frying Blackened Mahi Mahi

What To Serve With Blackened Mahi Mahi

Serve this impressive dish with a side of low-carb veggies like Spaghetti Squash, Roasted Peppers, or Green Beans. Add a crisp side salad with a tangy vinaigrette, or try a Cucumber Feta or Cherry Tomato Salad. Top a low-carb Caesar salad with chilled leftover Mahi Mahi.


Leftover blackened Mahi Mahi is delicious reheated or served cold! Keep leftovers in a covered container in the refrigerator for up to 3 days. Reheat portions by placing them in a skillet on medium heat with a little water and cover, the steam will gently reheat the fish.

Freeze portions in zippered bags with the date labeled on the outside for up to 1 month.

Blackened Mahi Mahi topped with diced avocado mixture

Other Easy Seafood Recipes!

Blackened Mahi Mahi being eaten with a fork
5 from 3 votes↑ Click stars to rate now!
Or to leave a comment, click here!

Blackened Mahi Mahi

Make this low carb Blackened Mahi Mahi recipe in just a few minutes with simple ingredients.
Prep Time 5 minutes
Cook Time 8 minutes
Rest 5 minutes
Total Time 18 minutes
Servings 4 servings
Author Holly



  • 4 mahi mahi fillets
  • 2 Tablespoons olive oil
  • 2 Tablespoons blackening seasoning
  • 1 Tablespoon butter


  • Dry fillets and generously coat with the blackening seasoning.
  • Heat a large pan over medium-high heat with olive oil and butter.
  • Once pan is hot, add fish and cook for 3-4 minutes per side until it starts to crisp and blacken.
  • Fish should be opaque and start to flake when done, or reach an internal temperature of 145°F.


  • Refrigerate leftovers in a covered container for up to 3 days.
  • Reheat filets in a skillet on medium heat with a little water and cover to steam.
  • Freeze portions in zippered bags with the date labeled for up to 1 month.
5 from 3 votes↑ Click stars to rate now!
Or to leave a comment, click here!

Nutrition Information

Calories: 231kcal | Carbohydrates: 1g | Protein: 31g | Fat: 11g | Saturated Fat: 3g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 6g | Trans Fat: 1g | Cholesterol: 132mg | Sodium: 708mg | Potassium: 708mg | Sugar: 1g | Vitamin A: 393IU | Calcium: 26mg | Iron: 2mg

Nutrition information provided is an estimate and will vary based on cooking methods and brands of ingredients used.

Course Main Course
Cuisine American

REPIN this Blackened Mahi Mahi recipe!

Blackened Mahi Mahi with writing

Blackened Mahi Mahi topped with avocado mixture with writing
Top image - Blackened Mahi Mahi topped with an avocado mixture. Bottom image - blackened seasoning being sprinkled on Mahi Mahi fillets with writing


, , , ,

Recipes you'll love

About the author

At Easy Low Carb® we believe that every meal should be full of big bold flavor! From amazing main dishes and simple sides to the best party snacks, reducing carbs doesn’t mean giving up your favorites!
See more posts by Holly

latest & greatest

Leave a Reply

Your email address will not be published. Required fields are marked *

Recipe Rating

This site uses Akismet to reduce spam. Learn how your comment data is processed.