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+ servings
A close up image of a piece of blackened cod on a plate.
Course Main Course

Blackened Cod Recipe

Servings 4 servings
Blackened cod takes only 15 minutes to make, yet is coated in a rich medley of spices for maximum flavor. Just coat the fish with homemade blackened seasoning rub, then pan-seared in a skillet. Serve with rice or potatoes or make the best Cajun-style fish tacos! {Gluten-free, dairy-free, & low carb}
Prep Time 5 minutes
Cook Time 10 minutes
Total Time 15 minutes

Ingredients
  

For the blackened seasoning:

  • 1.5 tablespoons smoked paprika
  • 2 teaspoons onion powder
  • 1 teaspoon garlic powder
  • 3/4 teaspoon salt
  • 1/2 teaspoon ground black pepper
  • 1/2 teaspoon dried thyme
  • 1/2 teaspoon dried oregano
  • 1/8 teaspoon cayenne pepper (or more if you prefer it spicier)

To cook:

  • 4 firm cod fillets about 5oz/150 grams each
  • 2 tablespoons olive oil
  • Drizzle of honey (optional)

Optional garnishes:

  • Squeeze of lemon or lime juice
  • Freshly chopped parsley or cilantro

Instructions

  • Mix all of the blackening spices together in a small bowl. Make sure it is blended evenly.
  • Thoroughly pat the fish dry with paper towel. Rub each side with 1 teaspoon olive oil. You can also drizzle on a couple of drops of honey and brush over the top of each fillet as well, if desired.
  • Coat both sides of the fish fillets with the blackened seasoning mix, shaking off any excess spices.
  • Heat remaining 2 tablespoons of oil in a large heavy bottomed or cast-iron skillet over medium high heat. Cook for 3-5 minutes, or until the rub starts to turn black.
  • Flip the fish fillet and cook another 1-2 minutes, or until the fish is cooked through and flaky.
  • Serve warm with a squeeze of lemon or lime juice and some fresh parsley or cilantro, if desired.

Notes

  • Watch closely: Fish cooks fast — about 4 minutes on the first side and 1 minute on the second.
  • Check doneness: Fish should flake easily and reach 145°F in the thickest part.
  • Dry first: Pat fish dry before seasoning to help the crust form.
  • Optional sweetness: Brush with a few drops of honey before seasoning, if desired.
  • Season evenly: Sprinkle seasoning over fillets, flip, and repeat for full coverage.
  • Handle gently: Flip once only to prevent the fish from breaking apart.
  • Use the right pan: A heavy nonstick or cast-iron skillet gives the best crust.
  • More blackened: Cook an extra minute or two per side for deeper char.

Nutrition

Calories: 193kcalCarbohydrates: 3gProtein: 26gFat: 8gSaturated Fat: 1gPolyunsaturated Fat: 1gMonounsaturated Fat: 5gCholesterol: 61mgSodium: 516mgPotassium: 673mgFiber: 1gSugar: 1gVitamin A: 1386IUVitamin C: 2mgCalcium: 41mgIron: 1mg
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