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The Best Easy Blackened Catfish with Mango Salsa

A beautiful plate of homemade Blackened Catfish with Mango Salsa being enjoyed for a healthy lunch on a sunny patio.

A healthy and flavorful recipe for blackened catfish served with a fresh mango and avocado salsa. The catfish fillets are coated in a homemade blackened spice rub made with oregano, cumin, and paprika, then allowed to marinate briefly. They are pan-seared in a cast-iron skillet until cooked through and flaky. The dish is topped with a simple and refreshing salsa made from cubed mango and avocado, finely chopped red onion, fresh cilantro, and lime juice.

Ingredients

  • 2 teaspoons dried oregano
  • 2 teaspoons ground cumin
  • 2 teaspoons paprika
  • 2 1/4 teaspoons pepper, divided
  • 3/4 teaspoon salt, divided
  • 4 catfish fillets (6 ounces each)
  • 1 medium mango, peeled and cubed
  • 1 medium ripe avocado, peeled and cubed
  • 1/3 cup finely chopped red onion
  • 2 tablespoons minced fresh cilantro
  • 2 tablespoons lime juice
  • 2 teaspoons olive oil

Instructions

  1. In a small bowl, combine the oregano, cumin, paprika, 2 teaspoons of the pepper, and 1/2 teaspoon of the salt to create the seasoning blend. Rub this mixture all over the catfish fillets.
  2. Place the seasoned fillets in a dish, cover, and refrigerate for at least 30 minutes.
  3. While the fish marinates, prepare the salsa. In a separate small bowl, combine the cubed mango, cubed avocado, red onion, cilantro, lime juice, and the remaining 1/4 teaspoon of salt and 1/4 teaspoon of pepper. Chill the salsa until you are ready to serve.
  4. In a large cast-iron skillet, heat the olive oil over medium heat.
  5. Add the catfish fillets to the hot skillet and cook for 5-7 minutes on each side, until the fish flakes easily with a fork.
  6. Serve the cooked catfish fillets topped with the mango avocado salsa.

Notes

  • Letting the catfish marinate in the dry rub for at least 30 minutes is a key step that allows the flavors to penetrate the fish.
  • Using a cast-iron skillet is recommended for achieving a good ‘blackened’ sear on the fish.
  • The fresh, cool salsa provides a perfect contrast to the warm, spiced fish.