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Blackened mahi on a plate with vegetables and tartar sauce.

Blackened Mahi Mahi Recipe


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5 from 1 review

Description

This fantastic fish dinner takes just 15 minutes to put on the table. Use store-bought spice mix or whip up your own using the easy recipe below. It's one of our all-time favorite weeknight dinners!


Ingredients

Scale
  • 4-6 ounce mahi mahi fillets, thawed
  • 3 tablespoons butter, melted
  • 2 tablespoons blackened seasoning
  • Lemon, for service

Blackened Seasoning

  • 1 tablespoon paprika
  • 1 tablespoon garlic powder
  • 1 tablespoon dehydrated onion
  • 2 1/4 teaspoons sea salt
  • 2 teaspoons smoked paprika
  • 1 teaspoon black pepper
  • 1 teaspoon dried oregano
  • 1/2 teaspoon dried thyme
  • 1/2 teaspoon cayenne pepper
  • 1/2 teaspoon sugar

Instructions

  1. Melt butter. Combine Blackened seasoning Spices in a small bowl. Measure out 2 tablespoons of the spice mix.

  2. Brush fish fillets in melted butter, then sprinkle generously with blackening seasoning.

  3. Preheat cast iron skillet over medium high heat. When the pan is hot, add fillets, seasoning side down. Brush the second side with butter and lightly season with remaining spices. Cook for 3-4 minutes, until the fillets are about 70% cooked through and the seasoning is deeply browned. Flip fillets gently and sear for an additional 1-2 minutes, until fully cooked. 

  4. Serve blackened mahi fillets with lemon wedges and Homemade Tartar Sauce.

Notes

  1. This recipe can be used on almost any kind of fish, from cod to grouper to salmon. Use what you have!
  2. The process of blackening fish depends on the milk solids in the butter to accelerate the "blackening" process. So while you can use oil instead of butter in the recipe, you'll miss out a bit on the authentic flavor.
  • Prep Time: 5
  • Cook Time: 10
  • Category: Easy Recipes
  • Method: Stove Top
  • Cuisine: American, Cajun

Nutrition

  • Serving Size: 1/4
  • Calories: 211
  • Sugar: 2.9 g
  • Sodium: 4901.7 mg
  • Fat: 10 g
  • Carbohydrates: 9.7 g
  • Protein: 22.3 g
  • Cholesterol: 105.6 mg