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If you’re looking for a simple yet flavor-packed seafood dish that feels restaurant-quality but comes together quickly at home, blackened orange roughy is a perfect choice. The tender, mild white fish pairs beautifully with a smoky, spicy rub that caramelizes in the pan to create that signature blackened crust.

This recipe uses a custom blend of spices along with a generous tablespoon of AB A Rub, which adds depth, sweetness, and a subtle kick. Cooking the fish in both oil and butter gives it a rich flavor and crisp texture without burning the seasoning.

Whether you’re serving it for a weeknight dinner or impressing guests on the weekend, this dish delivers bold Cajun-inspired flavor with minimal effort.


Blackened Orange Roughy Recipe

Ingredients

  • 2 orange roughy fillets (about 6 oz each)
  • 1 ½ teaspoons smoked paprika
  • 1 ½ teaspoons dark brown sugar
  • 1 teaspoon dried oregano
  • ½ teaspoon garlic powder
  • ½ teaspoon ground cumin
  • ¼ teaspoon salt
  • ⅛ teaspoon cayenne pepper (adjust to taste)
  • 1 tablespoon AB A Rub
  • 1 tablespoon olive oil
  • 1 tablespoon butter
  • Lemon wedges, for serving

Instructions

  1. Mix the seasoning
    In a small bowl, combine smoked paprika, brown sugar, oregano, garlic powder, cumin, salt, cayenne pepper, and AB A Rub. Stir until evenly blended.
  2. Prepare the fillets
    Pat the orange roughy fillets dry with paper towels to remove excess moisture. Lightly brush both sides with a bit of olive oil or melted butter.
    Sprinkle the spice mixture evenly over both sides of each fillet, pressing gently so it adheres.
  3. Heat the pan
    Heat a cast-iron skillet or heavy stainless steel pan over medium-high heat until very hot.
    Add the olive oil and butter to the pan. When the butter is melted and starts to brown slightly, it’s ready.
  4. Blacken the fish
    Carefully lay the fillets in the hot pan. Cook for 2–3 minutes per side, depending on thickness, until a dark crust forms and the fish flakes easily with a fork. Avoid moving the fish too much—let the crust develop undisturbed.
  5. Serve
    Transfer the fillets to a plate, squeeze fresh lemon juice over the top, and serve immediately.

Variations

  • Mild Version: Skip the cayenne or reduce it to just a pinch for a smoky, less spicy flavor.
  • Spicy Cajun Style: Add an extra ¼ teaspoon cayenne and a pinch of crushed red pepper flakes for heat lovers.
  • Blackened Butter Sauce: Deglaze the pan with 1 tablespoon lemon juice and 2 tablespoons butter after cooking. Stir until smooth, then drizzle over the fillets for a glossy finish.
  • Grilled Version: Brush the fish with oil, apply the rub, and grill over medium-high heat for about 3 minutes per side.
  • Different Fish Options: Substitute tilapia, mahi-mahi, snapper, or catfish using the same rub and cooking method.

Serving Suggestions

This blackened orange roughy is versatile enough to pair with a variety of sides:

  • Dirty Rice: The smoky spices complement a traditional Cajun rice dish perfectly.
  • Citrus Slaw: A crisp slaw with lime or orange vinaigrette cuts through the richness of the fish.
  • Roasted Corn or Vegetables: Adds a sweet, charred flavor that balances the heat.
  • Mashed Sweet Potatoes: The natural sweetness contrasts beautifully with the smoky rub.
  • Tacos: Flake the fish into warm tortillas and top with avocado, slaw, and a squeeze of lime for a Southern coastal twist.

Blackened Orange Roughy

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Prep: 10 minutes
Cook: 6 minutes
Total: 16 minutes
Servings: 2
This blackened orange roughy is tender, flaky, and full of smoky Cajun flavor. The combination of butter, olive oil, and AB A Rub creates a perfect golden crust with just the right amount of spice.
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Ingredients  

  • 2 orange roughy fillets about 6 oz each
  • 1 ½ teaspoons smoked paprika
  • 1 ½ teaspoons dark brown sugar
  • 1 teaspoon dried oregano
  • ½ teaspoon garlic powder
  • ½ teaspoon ground cumin
  • ¼ teaspoon salt
  • teaspoon cayenne pepper or to taste
  • 1 tablespoon AB A Rub
  • 1 tablespoon olive oil
  • 1 tablespoon butter
  • Lemon wedges for serving

Instructions 

  • In a small bowl, mix smoked paprika, brown sugar, oregano, garlic powder, cumin, salt, cayenne pepper, and AB A Rub.
  • Pat fillets dry and lightly brush both sides with oil or melted butter. Coat evenly with the seasoning blend.
  • Heat a cast-iron skillet over medium-high heat. Add the olive oil and butter; when hot and slightly browned, add the fillets.
  • Cook for 2–3 minutes per side, until a dark crust forms and the fish flakes easily with a fork.
  • Serve immediately with lemon wedges and your favorite sides.

Nutrition

Calories: 262kcal | Carbohydrates: 5g | Protein: 28g | Fat: 14g | Saturated Fat: 5g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 7g | Trans Fat: 0.2g | Cholesterol: 117mg | Sodium: 461mg | Potassium: 344mg | Fiber: 1g | Sugar: 3g | Vitamin A: 1091IU | Vitamin C: 0.2mg | Calcium: 29mg | Iron: 2mg

Nutrition information is automatically calculated, so should only be used as an approximation.

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About AB

Aaron “A.B.” Brown, a self-taught culinary maestro, has carved his flavorful path into the hearts and kitchens of millions. With over 3.3 million devoted YouTube subscribers, he’s become a household name for those seeking culinary expertise.

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