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Easy Blackened Mahi Mahi Recipe – How to Make It at Home


  • Author: Ella
  • Total Time: 18 minutes
  • Yield: 2 servings 1x
  • Diet: Gluten Free

Description

This blackened mahi mahi recipe is quick, flavorful, and perfect for a family-friendly seafood dinner. With bold Cajun spices and a crispy blackened crust, this dish comes together in just 20 minutes! Serve it with rice, roasted vegetables, or fresh citrus salsa for a complete meal.


Ingredients

Scale
  • 2 mahi mahi fillets (68 oz each)
  • 1 tbsp olive oil or melted butter
  • 1 tbsp smoked paprika
  • 1 tsp garlic powder
  • 1 tsp onion powder
  • 1 tsp black pepper
  • ½ tsp salt
  • ½ tsp cayenne pepper (adjust to taste)
  • ½ tsp dried oregano
  • ½ tsp dried thyme
  • Lemon wedges for serving

Instructions

  • Prepare the Fish: Pat the mahi mahi fillets dry with a paper towel. This ensures the seasoning sticks and helps achieve a crispy crust.
  • Season the Fish: Mix all spices in a small bowl. Brush both sides of the fish with oil or butter, then coat generously with the seasoning blend.
  • Cooking Method Options:
    • Stovetop: Heat a cast iron skillet over medium-high heat. Add oil or butter, then cook the fillets for 3-4 minutes per side until blackened and flaky.
    • Grill: Preheat grill to 400°F. Lightly oil the grates and cook for 3-5 minutes per side.
    • Air Fryer: Preheat to 400°F. Cook fillets for 8-10 minutes, flipping halfway through.
  • Serve & Enjoy: Let the fish rest for 1-2 minutes, then serve with lemon wedges and your choice of sides.

Notes

  • Best Fish Substitutes: If mahi mahi isn’t available, try tilapia, cod, halibut, or red snapper.
  • Adjusting Spice Levels: Reduce cayenne for a milder flavor or add more for extra heat.
  • Best Pan Choice: A cast iron skillet is ideal for the best crust.
  • Storage & Reheating: Store leftovers in an airtight container for up to 3 days. Reheat in a skillet for best texture.
  • Prep Time: 10 minutes
  • Cook Time: 8 minutes
  • Category: Main Dish
  • Method: Pan-seared, Grilled, Air-Fried
  • Cuisine: Cajun, Southern

Nutrition

  • Serving Size: 1 mahi mahi fillet (~6-8 oz per serving)
  • Calories: 250 kcal
  • Sugar: 0g
  • Sodium: 450mg
  • Fat: 12g
  • Saturated Fat: 3g
  • Unsaturated Fat: 7g
  • Trans Fat: 0g
  • Carbohydrates: 2g
  • Fiber: 1g
  • Protein: 30g
  • Cholesterol: 75mg

Keywords: blackened mahi mahi, how to make blackened mahi mahi, Cajun fish recipe, easy seafood dinner, pan-seared mahi mahi, spicy fish recipe