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Spicy Cajun Grilled Halibut

A thick, flaky piece of grilled Spicy Cajun Halibut coated in a vibrant red spice rub, resting on a white plate.

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A recipe for grilling halibut fillets seasoned with a fiery Cajun spice blend.

Ingredients

Scale
  • 4 (6 ounce) halibut fillets, about 1 inch thick
  • 2 tablespoons olive oil
  • 1 tablespoon Cajun seasoning blend (or more for extra heat)
  • 1 teaspoon smoked paprika
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon onion powder
  • 1/4 teaspoon cayenne pepper (optional, for extra spice)
  • 1/2 teaspoon dried thyme
  • 1/2 teaspoon dried oregano
  • 1/4 teaspoon black pepper
  • 1/4 teaspoon salt
  • 1 lemon, cut into wedges for serving

Instructions

  1. Prepare the Cajun spice blend by mixing the Cajun seasoning, smoked paprika, garlic powder, onion powder, cayenne pepper (if using), thyme, oregano, black pepper, and salt in a small bowl.
  2. Pat the halibut fillets dry with paper towels. This helps the seasoning adhere and promotes better grilling.
  3. Brush both sides of the halibut fillets lightly with olive oil.
  4. Generously coat all sides of the fillets with the prepared Cajun spice blend, pressing gently so the spices stick.
  5. Preheat your grill to medium-high heat (about 400 degrees Fahrenheit). Clean and lightly oil the grill grates to prevent sticking.
  6. Place the seasoned halibut fillets directly on the oiled grates.
  7. Grill for 4 to 6 minutes per side. The exact time depends on the thickness of the fish. Do not move the fish until it is ready to flip.
  8. The fish is done when it flakes easily with a fork and reaches an internal temperature of 145 degrees Fahrenheit.
  9. Remove the fish from the grill and let it rest for 2 minutes before serving.
  10. Serve immediately with fresh lemon wedges.

Notes

  • To prevent the fish from sticking, make sure your grill grates are clean and well-oiled before placing the halibut down.
  • For a moister fish, you can briefly marinate the seasoned fillets in 1 tablespoon of olive oil for 15 minutes before grilling, but do not marinate longer as the salt can start to cure the fish.
  • Serve this spicy fish with grilled corn or a cool coleslaw to balance the heat.

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