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One-Pan Chicken

One-Pan Blackened Catfish with Cajun Green Beans

By PanPotPlates Test KitchenReviewed by PanPotPlates Editorial TeamPublished May 10, 2026 · Updated May 11, 2026
Cajun-Inspired 25 mins onepanpescatarianlowcarbeasyfamily-friendlyglutenfreedairyfreeflavorfulweeknight

A quick and easy one-pan meal featuring perfectly blackened catfish alongside vibrant Cajun-spiced green beans, delivering bold flavors with minimal cleanup.

One-Pan Blackened Catfish with Cajun Green Beans
Prep 10 min
Cook 15 min
Total 25 min
Servings 4
Difficulty easy
Cuisine Cajun-Inspired

Recipe Details

Prep10 min
Cook15 min
Total25 min
Servings4
Difficultyeasy
CuisineCajun-Inspired
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Ingredients

Servings 4
  • 4 catfish fillets (6 ounces each), skinless and boneless
  • 2 tablespoons olive oil, divided
  • 1 tablespoon smoked paprika
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • 1 teaspoon dried thyme
  • 1 teaspoon dried oregano
  • 1/2 teaspoon cayenne pepper
  • 1/2 teaspoon black pepper
  • 1 teaspoon salt
  • 1 pound fresh green beans, trimmed
  • 1/2 teaspoon smoked paprika (for green beans)
  • 1/2 teaspoon Cajun seasoning
  • 1/4 teaspoon garlic powder
  • Juice of 1/2 lemon
  • Fresh parsley, chopped (for garnish, optional)

Instructions

  1. In a small bowl, combine smoked paprika, garlic powder, onion powder, thyme, oregano, cayenne pepper, black pepper, and salt to create the blackening spice mix.
  2. Pat the catfish fillets dry with paper towels. Rub both sides of each fillet evenly with 1 tablespoon olive oil.
  3. Coat each fillet generously with the blackening spice mix, pressing it onto the fish to ensure it adheres well.
  4. Heat a large heavy skillet or cast-iron pan over medium-high heat. Once hot, add the remaining 1 tablespoon olive oil and heat until shimmering.
  5. Add the catfish fillets to the pan and sear without moving for about 3-4 minutes, until a dark crust forms and the edges begin to look opaque.
  6. Carefully flip the fillets and cook for another 3-4 minutes until the fish flakes easily with a fork. Remove the fillets from the pan and set aside on a warm plate.
  7. In the same pan, add the trimmed green beans. Toss them in the pan juices and add smoked paprika, Cajun seasoning, garlic powder, and a pinch of salt.
  8. Sauté the green beans for about 5-7 minutes, stirring frequently until they are tender-crisp and slightly blistered.
  9. Squeeze the juice of half a lemon over the green beans and give them a final toss to combine.
  10. Return the catfish fillets to the pan just to warm through for about 1 minute with the green beans.
  11. Garnish with fresh chopped parsley if desired and serve immediately.

Frequently Asked Questions

Reader questions and answers for this recipe will appear here.

Customize this one-pan blackened catfish recipe with these ingredient swaps for dietary needs or ingredient availability:

  • Catfish fillets: Substitute with other firm white fish like tilapia, cod, or haddock to keep it pescatarian and low-carb.
  • Olive oil: Use avocado or canola oil as a neutral high-heat alternative.
  • Smoked paprika and Cajun seasoning: Use regular paprika with chipotle powder for smoky heat or store-bought Cajun/Creole blends.
  • Green beans: Replace with asparagus or snap peas for a seasonal twist.
  • Lemon juice: Swap with lime juice or white wine vinegar for acidity.

These substitutions maintain the quick, easy, family-friendly nature and accommodate gluten-free, dairy-free, and flavorful meals.

Pan Or Pot Required

This recipe is designed as a perfect one-pan meal using a single large skillet or heavy pan, such as a cast-iron skillet. Blacken the catfish to develop a flavorful crust, then sauté the Cajun green beans in the same pan, letting all the spices and pan juices meld for bold, cohesive flavors.

For best results, use a heavy-bottomed skillet that maintains steady heat and delivers a great sear—essential for the blackening technique on the catfish. A 10-12 inch cast-iron or stainless steel skillet works perfectly.

This one-pan method ensures minimal cleanup, making it ideal for quick weeknight cooking while supporting a gluten-free, low-carb, and family-friendly meal. No extra pots or pans needed, saving you time and effort in the kitchen.

Cookware Size Guidance

Use a large heavy skillet or cast-iron pan at least 12 inches in diameter for this one-pan blackened catfish with Cajun green beans recipe. This size allows you to sear four catfish fillets evenly without crowding, ensuring a perfect, crispy blackened crust. It also gives enough space to sauté the green beans properly, allowing them to blister and cook tender-crisp.

If you have a smaller skillet (about 10 inches), consider cooking the fish in batches to avoid overcrowding, which can hinder browning and affect cooking times. A larger pan offers more flexibility for managing both the fish and vegetables simultaneously.

Cookware with sturdy, even heat retention like cast iron helps develop the signature blackened crust on the catfish and cooks the green beans evenly. Avoid pans with thin bottoms, which can cause sticking or uneven heat. This size and type of skillet is ideal for a quick, easy, family-friendly pescatarian meal with minimal cleanup.

Cookware Swap Guidance

This dish excels as a one-pan meal, best prepared in a heavy skillet or cast-iron pan to achieve the signature blackened crust on catfish and perfectly sautéed Cajun green beans. However, if you lack these pans, consider these PanPotPlates-recommended substitutes:

  • Nonstick Skillet: Excellent for quick cooking with less sticking and easy cleanup, while preserving flavor and texture.
  • Stainless Steel Pan: Great for a family-friendly and flavorful meal, but requires careful heat control to prevent sticking.
  • Oven-Safe Skillet (cast iron or stainless steel): Allows finishing the fish in the oven for gentle cooking, fitting well within onepan and weeknight meal prep.

Avoid lightweight pans with poor heat retention as they can affect the blackened sear and cause uneven cooking. Alternatively, try a sheet pan dinner variation by roasting catfish and green beans on a rimmed baking sheet for an easy onepan family dinner.

For a more hands-off approach, consider slow cooker or Instant Pot recipes, but note the blackening sear and crust texture will be less pronounced. Regardless of cookware, maintain good heat control and minimal oil to keep the meal healthy, glutenfree, dairyfree, and delicious.

Leftovers Quality

Leftovers of this One-Pan Blackened Catfish with Cajun Green Beans stay fresh for up to 2 days when stored properly. Store cooled leftovers in an airtight container in the refrigerator. The blackened spices may intensify over time, enhancing the rich Cajun flavors.

Reheat gently in a skillet over medium-low heat to preserve the crispy blackened crust and maintain the green beans' tender-crisp texture. Alternatively, microwave covered in short 30-second bursts to avoid drying out the fish.

This recipe is great for quick, easy, family-friendly, gluten-free, dairy-free, and low-carb meal prepping. While best served fresh, leftovers provide a flavorful option for repeated weeknight dinners. Freezing is not recommended as it may affect the catfish's texture upon thawing.

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