Mastering Blackened Redfish: A Classic Cajun Delight at Home
Embark on a culinary journey to the vibrant heart of Louisiana with this incredible blackened redfish recipe. Imagine succulent, flaky Gulf Coast redfish fillets, generously coated in a symphony of savory Cajun spices, then seared to perfection in a scorching hot skillet with sizzling melted butter. This isn’t just a meal; it’s an experience – a simple yet profound celebration of flavor and tradition that brings restaurant-quality perfection right to your kitchen. Get ready to create a crispy, seasoned crust that locks in moisture, delivering an irresistible taste that will have everyone asking for more.

While many associate fresh fish dishes with sun-drenched summer days, this iconic Cajun blackened redfish is a culinary masterpiece that truly transcends seasons. Its rich, bold flavors and comforting warmth make it a fantastic choice for any time of the year. Whether you’re planning a lively family dinner or a cozy meal for two, this recipe promises to deliver an unforgettable taste of the South, year-round.
Why You’ll Fall in Love with This Blackened Redfish Recipe
There are countless reasons why blackened redfish has captivated palates for decades, becoming a hallmark of Cajun cuisine. Here’s what makes this particular recipe an absolute winner:
- A Culinary Legend’s Legacy: This method was popularized by the legendary Chef Paul Prudhomme, who first introduced blackened redfish to the world in the 1980s. Its immediate and immense popularity was so profound that it led to a significant increase in demand for redfish, prompting the Louisiana Wildlife and Fisheries to adjust fishing limits to protect the species. When you cook this dish, you’re not just preparing a meal; you’re engaging with a piece of culinary history.
- Effortlessly Delicious: Forget complicated ingredient lists and time-consuming preparations. This recipe is incredibly straightforward, requiring only a handful of staple ingredients and minimal fuss. Your main “worry” will be deciding on the perfect side dishes to complement this flavorful fish, leaving you more time to savor the moment.
- A Healthier Indulgence: Unlike deep-frying, which can add excessive fats and calories, the blackening technique uses just a touch of butter and olive oil for searing. This method creates a beautifully crisp, flavorful crust without overwhelming the delicate fish with unnecessary oil, making it a lighter yet equally satisfying alternative.
- Perfect Texture and Flavor Profile: The magic of blackening lies in its ability to create an incredible contrast: a deeply seasoned, almost charred crust on the outside, giving way to an incredibly moist, tender, and flaky white fish interior. Each bite offers a harmonious blend of smoky, spicy, and savory notes, a testament to the renowned blackening technique.
- Versatile and Adaptable: While redfish is the traditional choice, this technique can be applied to various other firm white fish, or even chicken and shrimp, offering endless possibilities for culinary creativity.
Essential Ingredients for Perfect Blackened Redfish
Crafting the perfect blackened redfish doesn’t require an extensive shopping trip. The beauty of this dish lies in the quality and synergy of a few key components. Here’s what you’ll need to gather:

For precise quantities and detailed measurements, please refer to the comprehensive recipe card located at the bottom of this post.
- Redfish Fillets: The star of the show! Opt for fresh, firm redfish fillets, ideally from the Gulf Coast. Look for vibrant, moist flesh with no strong fishy odor. If purchasing frozen, ensure they are properly thawed and patted completely dry before use.
- Unsalted Butter: Essential for both flavor and creating that signature crust. Melting the butter allows for an even coating, helping the seasoning adhere and providing a rich foundation for the blackening process. Clarified butter is an excellent alternative if you want to achieve an even higher smoke point.
- Blackening Seasoning: This is where the magic happens! A good quality blackening seasoning blend is crucial. These blends typically feature a robust mix of paprika, cayenne pepper, onion powder, garlic powder, thyme, oregano, and salt. You can find excellent pre-made mixes, or easily whip up your own at home (recipe below!).
- Olive Oil: Used in conjunction with butter to help coat the hot skillet, ensuring the fish doesn’t stick and aids in the blackening process. A neutral oil like avocado oil also works well due to its high smoke point.
- Fresh Lemon or Lime Wedges (for serving): A squeeze of citrus after cooking brightens the flavors and adds a refreshing counterpoint to the rich, spicy fish.
Choosing fresh, high-quality ingredients will elevate your blackened redfish from good to absolutely extraordinary. Always prioritize freshness for the best possible flavor and texture.
Recipe Walkthrough: Step-by-Step Instructions for Perfect Blackened Redfish
Get ready to transform simple ingredients into a sensational dish. This overview provides the essential steps, ensuring a flawlessly executed blackened redfish. For more precise, detailed instructions and ingredient quantities, please consult the complete recipe card at the conclusion of this post.





Pro Tip: Customizing Your Spice Level
The amount of seasoning you apply directly impacts the “blackened” appearance and the spice level. As seen in the images, my redfish often takes on more of a rich bronze hue, as I prefer a slightly milder flavor profile that’s kid-friendly. However, if you crave a truly authentic, intensely spicy blackened redfish, feel free to generously coat the fillets until they are completely dark. This liberal application will enhance both the depth of flavor and the heat, catering to bolder palates.
Creative Variations and Smart Substitutions for Your Blackened Dish
While classic blackened redfish is undeniably delicious, this versatile technique opens the door to numerous creative variations and substitutions. Feel free to experiment and tailor this recipe to your preferences or what you have on hand:
- Homemade Blackening Spice Blend: Crafting your own seasoning mix at home allows for ultimate customization of flavor and heat. Here’s a tried-and-true ratio to get you started, focusing on fresh, potent spices for the best results:
- 2 Tablespoons Smoked Paprika (adds depth and a beautiful color)
- 1 Tablespoon Cayenne Pepper (adjust to your preferred spice level)
- 1 Tablespoon Onion Powder
- 2 teaspoons Garlic Powder
- 1 teaspoon Freshly Ground Black Pepper
- 1 teaspoon Fine Sea Salt
- ½ teaspoon dried Thyme Leaves
- ½ teaspoon dried Oregano Leaves
- ½ teaspoon dried Basil Leaves
Simply combine all ingredients thoroughly. Store any unused blend in an airtight container for future use.
- Add White Pepper: For an extra layer of subtle heat and a slightly smoky, earthy aroma, consider adding ½ teaspoon of white pepper to your homemade spice blend.
- Sweet Paprika Alternative: If you’re sensitive to heat or prefer a milder flavor, substitute some or all of the smoked paprika with sweet paprika in your homemade mix. This will still provide a beautiful color and rich flavor without the intense spice.
- Fish Substitutions: The blackening technique works wonderfully with various firm, white-fleshed fish. Excellent alternatives include:
- Red Snapper Fillets: Similar in texture and flavor to redfish, making it an ideal substitute.
- Mahi-Mahi: A firm, mild fish that holds up well to high heat.
- Grouper: Known for its mild, sweet flavor and firm, flaky texture.
- Tilapia or Catfish: More affordable options that can still deliver great results when blackened.
- Chicken or Shrimp: For a non-fish option, try blackening chicken breasts or large shrimp for a flavorful meal. Adjust cooking times accordingly.
- Garnish with Fresh Herbs and Veggies: Elevate the presentation and add a burst of freshness by sprinkling chopped green onions (scallions) on top before serving. For a vibrant splash of color and a delightful crunch, a scattering of thinly sliced purple cabbage or a fresh salsa can be a fantastic addition. Fresh parsley or cilantro also make excellent garnishes.
- Serve with a Cooling Sauce: If you enjoy a spicier blackening, consider serving your redfish with a dollop of cooling remoulade sauce, a creamy aioli, or even a simple Greek yogurt-based dip to balance the heat.
- Alternative Cooking Methods: While the skillet is traditional, you can also achieve blackened results on a very hot grill or under a broiler. Ensure your grill grates are clean and well-oiled, or use a broiler-safe pan.

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Essential Equipment for Blackened Redfish Success
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Achieving that perfect blackened crust requires the right tools. While the process is simple, quality equipment can make a significant difference in the outcome:
- Cast Iron Skillet: Without a doubt, a heavy-duty cast iron skillet is the star player for blackening. Its exceptional heat retention and even heat distribution are unmatched, allowing it to get incredibly hot and maintain that temperature, which is crucial for forming the signature dark crust. My personal favorite way to cook blackened redfish is in a well-seasoned cast iron skillet.
- Pastry or Basting Brush: Essential for evenly coating your redfish fillets with melted butter, ensuring the seasoning adheres beautifully and contributes to that rich, dark crust.
- Sturdy Tongs or Spatula: You’ll need reliable tools to carefully flip the fish in the hot skillet without breaking the fillets or disturbing the crust.
- Good Ventilation: Blackening creates a fair amount of smoke due to the high heat and butter. Ensure you have good ventilation (e.g., a strong range hood, open windows) to keep your kitchen comfortable.
A high-quality cast iron skillet is an investment that will serve you well for countless culinary adventures, especially for recipes like this one. You’ll find an affiliate link to my recommended skillet in the recipe card below.
Explore More Irresistible Seafood Recipes You’ll Adore
If you’ve savored the delights of this blackened redfish, you’re sure to find new favorites among our collection of other fantastic seafood dishes. Dive into these flavorful recipes that celebrate the best of the sea:
- Authentic Louisiana Seafood Gumbo Recipe
- Texas Roadhouse Grilled Shrimp Recipe
- Stuffed Crab
- Shrimp Etouffee
- Zesty Redfish Tacos
- Perfectly Grilled Cobia
- Sweet & Smoky Grilled Mango
Storing and Reheating Blackened Redfish Leftovers
While blackened redfish is best enjoyed fresh off the skillet, you might occasionally find yourself with delicious leftovers. Here’s how to ensure they remain as tasty as possible:
- Storage: Allow any cooked redfish to cool completely to room temperature. Transfer the fillets to an airtight container and store them in the refrigerator for up to 3 days. Proper sealing is essential to prevent the fish from drying out or absorbing other flavors in the fridge.
- Reheating: To reheat, avoid overcooking, which can dry out the fish. The best method is to gently warm the fillets in a lightly oiled skillet over medium-low heat until just heated through. Alternatively, a quick zap in the microwave on a low setting can work, but watch it carefully to prevent a rubbery texture. You can also flake the cold fish and use it in tacos, salads, or sandwiches for a delightful next-day meal.
Melanie’s Expert Kitchen Notes: Preparing Your Redfish
If you’re preparing whole redfish (also known as red drum) yourself, a crucial step for optimal flavor is to trim away as much of the dark red “bloodline” as possible. This vein-like tissue, running along the center of the fillet, can impart a strong, often unpleasant, “fishy” flavor that many people dislike. Removing it ensures a cleaner, milder tasting fillet that truly lets the blackening spices shine.

Meet The Culinary Expert Behind This Recipe
Melanie Cagle
Melanie Cagle is a dedicated professional cook, an accomplished food photographer, and a passionate connoisseur of authentic Cajun cuisine. Since 2020, she has meticulously shared her rigorously tested recipes and insightful cooking tutorials right here on this blog, inspiring home cooks to create incredible meals.
Her expertise and culinary creations have garnered significant recognition, featuring on prominent platforms such as Fox News channels, Yahoo News, Southern Living, and many more, solidifying her reputation as a trusted voice in the food world.

Frequently Asked Questions: Blackened Redfish FAQs
Redfish, also known as red drum, is a saltwater fish renowned for its delicious, mild flavor and firm, flaky white meat. It’s often compared to snapper or grouper. Smaller, younger redfish tend to have a milder, sweeter taste, while larger, older redfish can develop a slightly stronger, more robust flavor. Its mild profile makes it an excellent canvas for bold seasonings like those used in blackening.
The spice level of blackened redfish is entirely customizable, depending on the blackening seasoning blend used and how liberally you apply it. Traditional blackening seasoning contains cayenne pepper, which provides heat. As you might observe in my accompanying images, I typically aim for a bronzed color rather than a completely black one, using a moderate amount of spice to ensure it’s palatable for my children. However, if you prefer a fiery kick, you can certainly apply the seasoning much more heavily to achieve a very dark, intensely spicy piece of fish.
Blackening is a cooking technique, popularized by Chef Paul Prudhomme, where fish or meat is dipped in melted butter, coated heavily with a special blend of dry spices, and then seared in a screaming hot cast-iron skillet until a dark, flavorful crust forms. The high heat creates a smoky, spicy crust while keeping the inside moist and tender. It’s important to distinguish that “blackened” refers to the dark crust from the spices and butter, not burnt food.
Absolutely! Frozen redfish fillets work perfectly fine for this recipe. The most important step is to ensure they are completely thawed in the refrigerator overnight and then thoroughly patted dry with paper towels before applying the butter and seasoning. Any residual moisture will prevent the seasoning from adhering properly and inhibit the formation of that desirable crispy crust.
Blackened redfish, with its bold flavors, pairs beautifully with a variety of side dishes. Classic choices include dirty rice, creamy grits, collard greens, or a simple side salad with a vinaigrette dressing. For something lighter, consider roasted asparagus, corn on the cob, a fresh cucumber and tomato salad, or a side of steamed green beans. A squeeze of fresh lemon or lime is always a must!
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Authentic Blackened Redfish Recipe
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Seafood, Cajun
Melanie Cagle
Equipment
- Walfos Silicone Basting Pastry Brush
- 10 Inch Pre-Seasoned Cast Iron Skillet
Ingredients
- 2 teaspoons Olive Oil
- 3 Pounds Redfish Fillets
- ½ Cup Unsalted Butter unsalted and melted
- ¼ Cup Blackening Seasoning
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Instructions
- Add the olive oil to a heavy-bottomed skillet, preferably a cast iron skillet. Place the skillet over medium-high heat and allow it to get incredibly hot, almost smoking.2 teaspoons Olive Oil
- Take the redfish fillets and generously brush both sides with the melted unsalted butter, ensuring complete coverage.3 Pounds Redfish Fillets, ½ Cup Unsalted Butter
- Liberally sprinkle the blackening seasoning all over both sides of the buttered fish. Gently pat the seasoning into the fillets to create a thick, even coating.¼ Cup Blackening Seasoning
- Once the skillet is smoking hot, carefully add the seasoned redfish fillets. Cook for approximately 2-3 minutes per side. The cook time may vary depending on the thickness of your fillets. The goal is a deep, dark, flavorful crust and flaky fish.
- Once cooked to perfection, remove the blackened redfish from the skillet and serve immediately, ideally with a fresh lemon or lime wedge.
Notes
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Nutrition Information (per serving)
Serving: 1g
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Calories: 444kcal
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Carbohydrates: 1g
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Protein: 60g
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Fat: 21g
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Saturated Fat: 11g
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Polyunsaturated Fat: 8g
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Cholesterol: 147mg
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Sodium: 3171mg
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Fiber: 1g
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