Air fryer catfish is an easy way to get crispy, cornmeal-coated fish without deep frying. The outside cooks up golden and crunchy with Cajun seasoning, while the inside stays tender and flaky, and the whole dinner is ready in under 30 minutes.

plate of air fryer catfish with a bite on the fork.

We try to eat fish at least once a week, and catfish is one of the more affordable options I come back to. I especially like it in the air fryer because the cornmeal coating gets crisp without needing a pot of oil on the stove.

This version is simple enough for a weeknight dinner but still gives you that Southern-style fried catfish texture. A squeeze of fresh lemon at the end helps balance the seasoning and richness of the crust.

For another easy air fryer fish dinner, Air Fryer Blackened Tilapia is a good option when you want something with bold seasoning but no breading.

Ingredients needed for air fryer catfish.

What You’ll Need

Catfish fillets: Use fresh or fully thawed catfish and pat the fillets dry before coating them.

Yellow cornmeal: Cornmeal gives the outside that classic crisp texture without needing a flour-and-egg breading station.

Cajun seasoning: This adds most of the flavor to the coating. You can use your favorite blend and adjust the amount depending on how salty or spicy it is.

Melted butter: Butter helps the cornmeal mixture stick and adds flavor to the crust.

Olive oil spray: A light coating helps the outside brown and crisp in the air fryer.

Lemon: Fresh lemon is simple, but it makes a big difference with the Cajun seasoning and cornmeal crust.

Please scroll ⬇️ to the recipe card for the full ingredient amounts and instructions.

How to Make Catfish in the Air Fryer

Preheat the air fryer to 400°F.

Pat the catfish fillets dry with paper towels, then brush or rub the melted butter over both sides.

In a shallow dish, mix the cornmeal, Cajun seasoning, salt, and black pepper.

Dredge each fillet in the cornmeal mixture, pressing gently so the coating sticks to both sides.

Lightly spray the air fryer basket or tray with oil and arrange the fillets in a single layer with a little space between them. Spray the tops lightly with oil.

Air fry for 14 minutes, flipping halfway through.

step by step process of how to bread catfish for the air fryer.

Check the fish after 14 minutes. If the coating needs more color or the thickest part of the fish has not reached 145°F, cook for another 3–4 minutes, checking as needed.

Serve immediately with lemon wedges.

How to Get the Coating Crispy

✔️ Pat the fish dry first. Extra moisture makes it harder for the cornmeal to stick and can keep the crust from getting crisp.
✔️ Press the coating on gently. This helps more of the cornmeal stay on the fish when you flip it.
✔️ Use a light spray of oil. You don’t need much, but a little oil helps the coating brown.
✔️ Leave space between the fillets. If the basket is crowded, the fish will steam instead of crisp.
✔️ Flip carefully. Catfish can be delicate once cooked, so use a thin spatula and turn the fillets gently.
✔️ Serve right away. The coating is crispiest while the fish is still hot.

Do I Need to Soak Catfish in Milk?

No. You can cook the catfish as written without soaking it first.

If your catfish has a stronger flavor than you prefer, you can soak the fillets in milk or buttermilk for about 30 minutes before cooking. Drain them well and pat them completely dry before adding the butter and cornmeal coating.

Can I Use Frozen Catfish?

Yes, but thaw it completely before coating and air frying.

Frozen fish releases more moisture as it cooks, which makes it harder for the cornmeal coating to stay crisp. Once thawed, pat the fillets very dry before starting the recipe.

Can I Use Another Fish?

You can use this method with another firm white fish, but cooking time will depend on the thickness of the fillets.

Air Fryer Tilapia is a good option if you want a thinner white fish without breading, while Air Fryer Mahi Mahi has a thicker crust and a firmer texture.

plate of air fryer catfish, french fries, coleslaw and sliced lemon.

What to Serve With Air Fryer Catfish

For a classic dinner, serve the catfish with fries, coleslaw, rice, or mashed potatoes.

Air Fryer Green Beans are an easy vegetable to make alongside it, while Instant Pot Mac and Cheese gives you a richer comfort-food side.

If you want something simple and crispy with it, Air Fryer Garlic Bread also works well for soaking up any extra lemon or sauce on the plate.

Storing and Reheating

Store leftover catfish in an airtight container in the refrigerator for up to 3 days.

Reheat it in the air fryer at 350°F for about 5–6 minutes, or until hot and crisp again.

For the best texture, avoid reheating it in the microwave since the cornmeal coating will soften.

If you make this Air Fryer Catfish, I’d love to hear how it turned out! Leave a comment and rating below.

RECIPE