Dive into the flavors of the South with this delectable catfish po' boy recipe. Crispy, golden-brown catfish fillets are nestled in soft hoagie rolls, topped with fresh lettuce and tomato slices, and drizzled with a zesty mayonnaise and hot sauce blend. Perfect for a quick lunch or a satisfying dinner, this sandwich brings a taste of Louisiana right to your table.
If you're heading to the supermarket, you might need to look for a few specific items. Catfish fillets are not always a staple in every household, so check the seafood section. Buttermilk might also be something you don't have on hand, but it's essential for that tangy flavor and tender texture. Lastly, make sure you have cajun seasoning to give the dish its signature kick.

Ingredients For Catfish Po Boy Recipe
Catfish: A mild-flavored fish that becomes crispy and delicious when fried.
Cornmeal: Adds a crunchy texture to the fried catfish.
Flour: Helps to create a light and crispy coating.
Cajun seasoning: A blend of spices that adds a signature Southern kick.
Buttermilk: Tenderizes the fish and adds a tangy flavor.
Hoagie rolls: Soft rolls that hold all the delicious ingredients together.
Lettuce: Adds a fresh, crisp texture to the sandwich.
Tomato: Provides a juicy and slightly acidic balance.
Mayonnaise: Creamy base for the sauce.
Hot sauce: Adds heat and tang to the sauce.
Salt: Enhances the overall flavor.
Pepper: Adds a touch of spice.
Technique Tip for This Recipe
When preparing the catfish fillets, ensure they are patted dry with a paper towel before dipping them in buttermilk. This helps the cornmeal mixture adhere better to the fish, resulting in a crispier coating.
Suggested Side Dishes
Alternative Ingredients
catfish - Substitute with tilapia: Tilapia has a mild flavor and similar texture, making it a good alternative for catfish.
cornmeal - Substitute with panko breadcrumbs: Panko breadcrumbs provide a similar crunchy texture when fried.
flour - Substitute with rice flour: Rice flour can be used to achieve a similar crispy coating and is also gluten-free.
cajun seasoning - Substitute with creole seasoning: Creole seasoning has a similar blend of spices and can provide the same flavor profile.
buttermilk - Substitute with plain yogurt: Plain yogurt can mimic the tanginess and thickness of buttermilk.
hoagie rolls - Substitute with baguette: A baguette can provide a similar sturdy and chewy texture suitable for a po' boy.
shredded lettuce - Substitute with shredded cabbage: Shredded cabbage offers a similar crunch and can hold up well in a sandwich.
tomato - Substitute with roasted red peppers: Roasted red peppers add a sweet and tangy flavor that complements the sandwich.
mayonnaise - Substitute with Greek yogurt: Greek yogurt provides a creamy texture and tangy flavor similar to mayonnaise.
hot sauce - Substitute with sriracha: Sriracha offers a similar heat level and can add a bit of sweetness.
salt - Substitute with soy sauce: Soy sauce can add a salty and umami flavor to the dish.
pepper - Substitute with cayenne pepper: Cayenne pepper adds a bit more heat and can enhance the overall flavor.
Other Alternative Recipes Similar to This Dish
How to Store or Freeze This Recipe
- Allow the catfish fillets to cool completely before storing. This prevents condensation, which can make the coating soggy.
- Wrap each fillet individually in plastic wrap or aluminum foil to maintain freshness and prevent freezer burn.
- Place the wrapped fillets in an airtight container or a resealable freezer bag. Label with the date to keep track of storage time.
- Store the hoagie rolls separately in a resealable bag or airtight container to keep them from becoming stale.
- For the sauce, transfer it to a small airtight container. It can be stored in the refrigerator for up to a week.
- Lettuce and tomato slices should be stored in separate containers in the refrigerator. Use within 2-3 days for optimal freshness.
- To reheat the catfish fillets, preheat the oven to 375°F (190°C). Place the fillets on a baking sheet and heat for 10-15 minutes, or until warmed through and crispy.
- Assemble the Catfish Po Boy just before serving to ensure the hoagie rolls remain fresh and the vegetables crisp.
How to Reheat Leftovers
Preheat your oven to 350°F (175°C). Place the leftover catfish fillets on a baking sheet lined with parchment paper. Cover them loosely with aluminum foil to prevent drying out. Heat for about 10-15 minutes or until warmed through.
For a quicker option, use a toaster oven. Set it to 350°F (175°C) and place the catfish fillets inside. Heat for 8-10 minutes, checking occasionally to ensure they don't overcook.
If you prefer using a microwave, place the catfish fillets on a microwave-safe plate. Cover them with a damp paper towel to retain moisture. Heat on medium power for 1-2 minutes, checking halfway through to avoid overcooking.
To reheat the hoagie rolls, wrap them in aluminum foil and place them in a preheated oven at 350°F (175°C) for about 5-7 minutes until warm and slightly crispy.
For the sauce, simply stir it well and let it come to room temperature. If you prefer it warm, you can microwave it in a microwave-safe bowl for about 10-15 seconds.
Reassemble your Catfish Po Boy by spreading the reheated sauce on the warmed hoagie rolls, adding the reheated catfish fillets, and topping with fresh shredded lettuce and tomato slices. Enjoy your revitalized meal!
Best Tools for This Recipe
Mixing bowl: Use this to combine the cornmeal, flour, and cajun seasoning.
Frying pan: This is essential for frying the catfish fillets until they are golden brown and cooked through.
Tongs: Handy for flipping the catfish fillets in the frying pan to ensure even cooking.
Measuring cups: Necessary for accurately measuring the cornmeal, flour, and buttermilk.
Whisk: Useful for mixing the mayonnaise and hot sauce to create the sauce.
Knife: Needed for slicing the tomato.
Cutting board: Provides a safe surface for slicing the tomato.
Paper towels: Use these to drain the excess oil from the fried catfish fillets.
Spatula: Helpful for spreading the sauce on the hoagie rolls.
Plate: Use this to assemble the po' boys with the fried catfish, lettuce, and tomato slices.
How to Save Time on Making This Recipe
Prepare ingredients in advance: Measure and mix the cornmeal, flour, and cajun seasoning ahead of time.
Pre-slice vegetables: Slice the tomato and shred the lettuce before starting to cook.
Use a deep fryer: A deep fryer can cook the catfish fillets more evenly and quickly than a frying pan.
Make sauce ahead: Mix the mayonnaise and hot sauce in advance and store it in the fridge.
Preheat oil: Start heating the oil while you prepare the catfish to save time.

Catfish Po Boy Recipe
Ingredients
Main Ingredients
- 4 fillets Catfish
- 1 cup Cornmeal
- 1 cup Flour
- 1 teaspoon Cajun seasoning
- 1 cup Buttermilk
- 4 Hoagie rolls
- 1 cup Shredded lettuce
- 1 Tomato, sliced
- 1 cup Mayonnaise
- 1 tablespoon Hot sauce
- to taste Salt and pepper
Instructions
- 1. Mix cornmeal, flour, and Cajun seasoning in a bowl.
- 2. Dip catfish fillets in buttermilk, then coat with the cornmeal mixture.
- 3. Heat oil in a frying pan over medium heat. Fry the fillets until golden brown and cooked through, about 3-4 minutes per side.
- 4. Mix mayonnaise and hot sauce to make the sauce.
- 5. Spread sauce on hoagie rolls, add fried catfish, lettuce, and tomato slices.
- 6. Serve immediately.
Nutritional Value
Keywords
Suggested Appetizers and Desserts for This Recipe
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