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Healthy mahi mahi is served with rice and lemon slices.
5 from 3 votes
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Blackened Mahi Mahi Recipe

This easy Blackened Mahi Mahi recipe is buttery and flaky, and the seasoning creates a spicy, crispy crust. This simple dish is cooked in a cast-iron skillet, resulting in delicious flavor and saving you from the heat of outdoor grilling.

Course Dinner, main dish
Cuisine American
Prep Time 5 minutes
Cook Time 10 minutes
Total Time 15 minutes
Servings 4 servings
Calories 149 kcal

Ingredients

  • 1 lb. mahi mahi
  • 1 Tbsp. blackened seasoning
  • ¼ - ½ tsp. salt to taste
  • 2 Tbsp. butter or oil
  • Lemon wedges optional
  • Fresh parsley optional

Instructions

  1. Cut the mahi mahi into 4 equal-sized filets and pat the fish dry with a paper towel.
  2. Sprinkle blackened seasoning and salt, if seasoning does not already include it, over the filets and rub it into the fish.
  3. Melt butter in a cast-iron skillet over medium-high heat. Wait for at least 1 minute so butter is heated through. Add the mahi mahi to the skillet, skin side-up, and cook for 4-5 minutes. Flip the filets over and continue cooking for 3-4 more minutes or until cooked through.
  4. Serve blackened mahi mahi with lemon wedges and a sprinkle of fresh parsley. Enjoy!

Recipe Video

Recipe Notes

Meal Prep and Storage

  • To Prep-Ahead: Make the seasoning mix beforehand so it is ready. You can slice the fish into fillets a couple of hours before cooking and keep them wrapped in the fridge.
  • To Store: Wrap whatever is leftover and keep in the fridge for up to 2 to 3 days.
  • To Freeze: While this fish is best enjoyed immediately, you can tightly wrap mahi-mahi and store it in the freezer for up to 3 to 4 months.
  • To Reheat: Warm up thawed mahi-mahi in a skillet on the stove, or place it in a 275℉ oven for about 15 minutes.

Nutrition Facts
Blackened Mahi Mahi Recipe
Amount Per Serving
Calories 149 Calories from Fat 63
% Daily Value*
Fat 7g11%
Saturated Fat 4g25%
Trans Fat 1g
Polyunsaturated Fat 1g
Monounsaturated Fat 2g
Cholesterol 99mg33%
Sodium 1251mg54%
Potassium 474mg14%
Carbohydrates 1g0%
Sugar 1g1%
Protein 21g42%
Vitamin A 389IU8%
Calcium 19mg2%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.