Cajun-spiced fish with a dark, flavorful crust
Blackened Fish
Blackened Fish
18 minEasy
Prep Time
10 min
Cook Time
8 min
Total Time
18 min
Servings
4
4 fillets
Difficulty
Easy
Cost
Moderate
$$
Blackened Fish
Cajun-spiced fish with a dark, flavorful crust
White fish fillets coated in a bold Cajun spice blend and seared in a blazing hot skillet on the grill until the crust is dark and intensely flavorful. A Louisiana classic.
10m
Prep Time
8m
Cook Time
18m
Total Time
4
Servings
Easy
Difficulty
Moderate $$
Cost
Sarah Chen
(Updated )
Blackening was popularized by Chef Paul Prudhomme—a technique where heavily seasoned fish is cooked in a screaming hot cast-iron skillet. The spices char into a dark, flavorful crust in seconds.
Ingredients
- 4 firm white fish fillets (redfish, snapper, or catfish)
- 2 tbsp Cajun or blackening seasoning
- 3 tbsp melted butter
- 1 lemon, halved
- 2 cloves garlic, minced
- Fresh parsley for garnish
PrecisionUtility
Test Kitchen Pick
Thermometer
Helpful Tool
Why a thermometer helps here
This is the kind of recipe where doneness changes the result fast. A quick thermometer helps you pull it at the right moment instead of guessing.
The easiest upgrade here is accuracy, not another pan.
- Makes doneness more repeatable
- Helps avoid dry or overcooked protein
If you cook meat or fish regularly, an instant-read thermometer gets used constantly.
Shop thermometer options for this recipeInstructions
- 1
Heat a cast-iron skillet on the grill over high heat until smoking hot, at least 10 minutes.
- 2
Brush fish on both sides with melted butter, then coat generously with Cajun seasoning.
- 3
Place fish in the blazing hot skillet—it will smoke dramatically. Cook 2-3 minutes undisturbed.
- 4
Flip carefully and cook 2-3 more minutes until the crust is very dark and fish flakes easily.
- 5
Squeeze lemon over the fish and garnish with fresh parsley. Serve immediately.
Serving Suggestions
Ways to Serve This Dish
Serve with classic coleslaw and cornbread on the side
Pair with fresh-cut fries or roasted potato wedges
Substitutions
RedfishCatfish, snapper, or tilapia
Any mild, firm white fish works for blackening
Cajun seasoningMix of paprika, cayenne, garlic powder, onion powder, thyme, and oregano
Homemade blend lets you control the heat
Tips & Storage
Pro Tips
Do this on the grill, not indoors—the smoke from blackening will set off every alarm in your house.
The skillet must be screaming hot—if it is not smoking, it is not ready.
Storage
Refrigerate for up to 2 days.
Reheating
Reheat in a hot skillet for 2 minutes per side to re-crisp the crust.
Nutrition Facts
Per serving (75mg) · 4 servings
Calories240
LowModerateHigh
A moderate-calorie serving · based on a 2,000 cal daily diet
Protein30g
Carbohydrates12g
Fat2g
Fiber520mg
Sugar0g
Sodium0g
Nutritional values are approximate and may vary based on specific ingredients and preparation methods.
Frequently Asked Questions
- What is the difference between blackened and burnt?
- Blackening chars the butter and spices intentionally for flavor. Burnt means the food itself has overcooked.
- Can I blacken chicken or steak?
- Absolutely—the technique works on any protein with a flat surface.
Explore More
About Sarah Chen
Sarah Chen is a professional recipe developer and food editor with over a decade of experience in test kitchens and food media. She trained at the Culinary Institute of America before spending six years developing and testing recipes for national food publications, where she honed her ability to translate restaurant techniques into approachable home cooking. At RecipePool, Sarah leads recipe development, ensuring every dish is tested at least three times for clarity, accuracy, and genuine deliciousness. When she is not in the kitchen, she is browsing farmers markets and collecting vintage cookbooks.
View all recipes →Some product links on this page may be affiliate links. As an Amazon Associate RecipePool earns from qualifying purchases.
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