Back to Marcus Stone
Cast-Iron Blackened Catfish with Creamed Butter Beans & Green Tomato Relish

Cast-Iron Blackened Catfish with Creamed Butter Beans & Green Tomato Relish

Blackening fish in a smoking-hot cast-iron skillet is a Southern rite of passage. Here, I balance that intense, fiery crust with deeply comforting, slow-simmered butter beans and a bright pop of quick-pickled green tomato relish. It is my homage to the Friday fish fries of my childhood, elevated for a proper Sunday dinner.

Marcus Stone
Marcus Stone
Prep: 15 minutes
Cook: 25 minutes
4
medium
dinner
southerncatfishcast-ironblackened+1

Save a copy to your collection for editing

Timeline

26 minutes
0m10m20m26m
Pickle Green Tomatoes
Saute Aromatics
Simmer Butter Beans
Spice Catfish
Heat Cast-Iron Skillet
Blacken Catfish
Plate and Serve

Ingredients

  • 4 (6-oz) catfish fillets(patted completely dry)
  • 2 tbsp unsalted butter, melted(for coating the fish)
  • 1 tbsp smoked paprika
  • 1 tsp cayenne pepper
  • 1 tsp garlic powder
  • 1 tsp onion powder
  • 1 tsp dried thyme
  • 1 tsp dried oregano
  • 1 tsp kosher salt(plus an extra pinch for the relish)
  • 1/2 tsp freshly cracked black pepper
  • 2 tbsp unsalted butter(for the beans)
  • 1 medium shallot(minced)
  • 2 cloves garlic(smashed)
  • 1 lb frozen or fresh butter beans(lima beans work well too)
  • 1 cup chicken bone broth
  • 1/2 cup heavy cream
  • 1 sprig fresh thyme
  • 1 large green tomato(finely diced)
  • 1/4 cup apple cider vinegar
  • 1 tbsp honey
  • 1 small jalapeno(seeded and minced)
  • 1 tbsp neutral oil(grapeseed or canola)
  • 1 pinch kosher salt(for the pickle)

Instructions

  1. 1

    In a small bowl, toss together 1 large green tomato, finely diced, 1/4 cup apple cider vinegar, 1 tbsp honey, 1 small jalapeno, seeded and minced, and 1 pinch kosher salt. Set this aside to quickly pickle while you build the rest of the dish. This acid is going to cut right through the richness later.

    5 min

    Tip: Make this up to two days in advance for deeper flavor.

  2. 2

    Place a medium saucepan over medium heat and melt 2 tbsp unsalted butter. Toss in 1 medium shallot, minced and 2 cloves garlic, smashed. Sweat these aromatics down until they are soft and fragrant, which takes just a few minutes.

    3 min

    Tip: Do not let the garlic brown, we just want a sweet base flavor.

  3. 3

    Pour 1 lb frozen or fresh butter beans, 1 cup chicken bone broth, and 1/2 cup heavy cream into the saucepan with the aromatics. Drop in 1 sprig fresh thyme. Bring the liquid to a gentle bubble, then turn the heat down to low and let it simmer away until the beans are tender and the liquid has reduced to a creamy sauce.

    15 min

    Tip: If the sauce gets too thick before the beans are tender, add a splash of water or more broth.

  4. 4

    While those beans are doing their thing, grab a small dish and mix your blackening rub: 1 tbsp smoked paprika, 1 tsp cayenne pepper, 1 tsp garlic powder, 1 tsp onion powder, 1 tsp dried thyme, 1 tsp dried oregano, 1 tsp kosher salt, and 1/2 tsp freshly cracked black pepper. Brush your 4 (6-oz) catfish fillets all over with 2 tbsp unsalted butter, melted, then aggressively coat both sides of the fish with your spice mixture.

    4 min

    Tip: Do not be shy with the rub. It forms the crust that makes blackened fish legendary.

  5. 5

    Place your heaviest cast-iron skillet over high heat. Add 1 tbsp neutral oil and let that pan heat up until you see wisps of white smoke dancing off the surface. Turn on your exhaust fan—this is where the magic happens.

    4 min

    Tip: A properly heated skillet is non-negotiable here; it prevents sticking and builds the crust.

  6. 6

    Carefully lay the spiced catfish into the smoking hot skillet. Let it sear entirely undisturbed for a solid three minutes until a dark, charred crust forms. Flip the fillets and give them another three minutes on the second side until they are cooked through and flaky.

    6 min

    Tip: If the pan gets dangerously smoky, drop the heat to medium-high, but keep it hot enough to sear.

  7. 7

    Remove the thyme sprig from your creamy butter beans. Ladle a generous spoonful of the beans into the bottom of a shallow bowl. Lay a blackened catfish fillet right on top, then crown the fish with a spoonful of that bright, acidic green tomato relish. Serve it up hot.

    2 min

    Tip: Ensure you get some of the pickling liquid from the relish over the fish for extra zing.

Chef's Notes

Growing up, blackening was a technique reserved for the brave—it requires a screaming hot skillet and good ventilation. But that crust? It is pure Southern magic. I pair it with creamed butter beans to soothe the palate. The green tomato relish is my nod to grandmother's preserving cellar; it cuts through the richness beautifully.

Frequently Asked Questions

How long does Cast-Iron Blackened Catfish with Creamed Butter Beans & Green Tomato Relish take to make?

Cast-Iron Blackened Catfish with Creamed Butter Beans & Green Tomato Relish takes about 40 minutes total. That includes 15 minutes of prep and 25 minutes of cooking.

How many servings does this recipe make?

This recipe makes 4 servings.

What skill level is needed for Cast-Iron Blackened Catfish with Creamed Butter Beans & Green Tomato Relish?

This recipe is rated medium — it's intermediate, requiring some cooking experience.

What ingredients do I need for Cast-Iron Blackened Catfish with Creamed Butter Beans & Green Tomato Relish?

The main ingredients are: catfish fillets, unsalted butter, melted, smoked paprika, cayenne pepper, garlic powder, onion powder, dried thyme, dried oregano, kosher salt, freshly cracked black pepper, unsalted butter, shallot, garlic, frozen or fresh butter beans, chicken bone broth, heavy cream, fresh thyme, green tomato, apple cider vinegar, honey, jalapeno, neutral oil, kosher salt.

What type of meal is Cast-Iron Blackened Catfish with Creamed Butter Beans & Green Tomato Relish?

Cast-Iron Blackened Catfish with Creamed Butter Beans & Green Tomato Relish is categorized as: dinner.