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finished recipe on a white plate garnished with chives and served with green beans

Easy Blackened Cod Recipe



4-6 oz cod fillets

3 tablespoons butter, melted

2 tablespoons Cajun seasoning

1 teaspoon brown sugar

Salt, to taste


  1. Melt butter. Combine Cajun seasoning and sugar on a small plate. Dip top of cod fillets in melted butter, then dredge in Cajun blackening seasoning.
  2. Preheat cast iron skillet over medium high heat. When the pan is hot, add in cod fillets, seasoning side down. Lightly season the second side. 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. 
  3. Serve with lemon wedges and Creamy Cajun Shrimp Sauce.


This blackening seasoning and cooking process can be used on almost any kind of fish, from cod to grouper to salmon. Use what you have!

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 flavors.

  • Prep Time: 5
  • Cook Time: 10
  • Category: Easy Recipes
  • Method: Stove Top
  • Cuisine: American, Cajun

Keywords: Blackened Cod, Blackened Fish Recipe, Cajun Seafood