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Air Fryer Spicy Cajun Catfish Thighs with Garlic Butter Sauce
By Airfryfeast Test KitchenReviewed by Airfryfeast Editorial TeamPublished May 8, 2026 · Updated Jun 19, 2026
Cajun
25 mins
air-fryer-friendlyspicyhealthyeasygluten-freehigh-proteincrispfamily-friendlyquickv2
Enjoy tender, crispy catfish thighs coated in a bold Cajun spice blend, served with rich garlic butter sauce — a quick, healthy, and family-friendly seafood main course.
Prep
10 min
Cook
15 min
Total
25 min
Servings
4
Difficulty
easy
Cuisine
Cajun
Ingredients
Servings
4
- 1 pound catfish thighs, skin-on and trimmed
- 1 tablespoon olive oil
- 1 tablespoon Cajun seasoning (store-bought or homemade)
- 1/2 teaspoon smoked paprika
- 1/4 teaspoon cayenne pepper (adjust to taste for spice level)
- 1/2 teaspoon garlic powder
- 1/4 teaspoon salt
- Freshly ground black pepper, to taste
- 3 tablespoons unsalted butter
- 3 cloves garlic, minced
- 1 tablespoon fresh parsley, finely chopped
- 1 teaspoon fresh lemon juice
Instructions
-
Pat the catfish thighs dry with paper towels to ensure crispiness.
-
In a small bowl, combine the Cajun seasoning, smoked paprika, cayenne pepper, garlic powder, salt, and black pepper.
-
Drizzle olive oil over the catfish thighs, rubbing it evenly on both sides.
-
Sprinkle the Cajun spice mixture generously over both sides of the catfish thighs, massaging it in for even coverage.
-
Preheat the air fryer to 400°F (200°C) for 5 minutes.
-
Arrange the seasoned catfish thighs in a single layer inside the air fryer basket. Avoid overcrowding to allow proper air flow.
-
Air fry the catfish thighs at 400°F (200°C) for 12 to 15 minutes, flipping halfway through, until golden brown and crispy on the outside and cooked through (internal temperature should reach 145°F/63°C).
-
While the catfish cooks, prepare the garlic butter sauce. In a small saucepan, melt the butter over medium heat.
-
Add the minced garlic and sauté for 1 to 2 minutes until fragrant and lightly golden, taking care not to burn it.
-
Remove from heat and stir in the lemon juice and fresh parsley.
-
Once the catfish thighs are done, transfer them to a serving platter and drizzle the garlic butter sauce evenly over the top.
-
Serve immediately with your favorite healthy sides, such as steamed vegetables or a fresh green salad, for a satisfying seafood meal.
Tips
Air Fryer Model Notes
Cook Air Fryer Spicy Cajun Catfish Thighs with Garlic Butter Sauce in a single layer when possible. Basket models may need batches; oven-style models may need a tray rotation halfway through for even browning.
Crispiness Control
Pat the catfish thighs dry, avoid crowding, and use only a light coat of oil or sauce before cooking. Add wet sauces near the end when you want the outside to stay crisp.
Doneness Cues
Look for browned edges, a hot center, and the texture described in the instructions. For meat or seafood, confirm doneness with a thermometer instead of relying only on color.
Reheat In The Air Fryer
Reheat leftovers at 325 F to 350 F in a single layer until hot and crisp again. Add fresh herbs, citrus, or sauce after reheating.
Frequently Asked Questions
- Can I make Air Fryer Spicy Cajun Catfish Thighs with Garlic Butter Sauce ahead of time?
- You can prep the ingredients and seasoning ahead, but air fry close to serving for the best texture.
- How do I keep this recipe from turning soggy?
- Cook in a single layer, leave space for airflow, and avoid adding too much oil or sauce before the food has crisped.
- Can I adjust the seasoning?
- Yes. Keep the same cooking method and adjust salt, spice, herbs, citrus, or sauce to match your taste.
- How do I know the catfish thighs is done?
- Use the visual cues in the instructions first: the outside should be browned or crisp and the center should be hot and tender. For meat or seafood, confirm doneness with a food thermometer.
Ingredient Replacements
Customize this Air Fryer Spicy Cajun Catfish Thighs recipe to fit your dietary needs or preferences with these ingredient swaps:
- Catfish thighs: Substitute with tilapia, cod, or haddock for similar flaky white fish options. For poultry lovers, skin-on chicken thighs seasoned the same way offer comparable flavor and texture.
- Olive oil: Use avocado oil or melted coconut oil as alternative healthy fats suitable for high-heat cooking.
- Cajun seasoning: Make your own to control sodium, or replace with smoked paprika and chili powder for a gentler heat. Reduce or omit salt for low-sodium diets.
- Unsalted butter: Swap with dairy-free butter or olive oil for dairy-free or vegan versions; garlic sautéed in olive oil makes a flavorful sauce alternative.
- Garlic: Use garlic powder if fresh isn't available, though fresh minced garlic delivers the best flavor.
- Lemon juice: Substitute lime juice or a splash of apple cider vinegar for bright acidic notes.
These substitutions keep the recipe air-fryer-friendly, gluten-free, healthy, high-protein, and family-friendly while providing flexibility to suit your taste and requirements.
Storage
Store leftover Air Fryer Spicy Cajun Catfish Thighs with Garlic Butter Sauce in an airtight container in the refrigerator for up to 3 days. Cool the food before sealing so excess steam does not soften the texture.
Freeze only if the main ingredient and coating are freezer-friendly. Wrap tightly and freeze for up to 1 month, then thaw overnight in the refrigerator before reheating.
Reheat in the air fryer at 325 F to 350 F in a single layer until hot and crisp again. Add fresh herbs, citrus, or sauce after reheating for the best flavor.
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