Po' Boy Sandwich with Fried Catfish and Remoulade

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Crispy fried catfish fillets tucked inside a crusty French roll with zesty remoulade sauce and fresh lettuce and tomato. This latin american-inspired mardi gras ready in about 40 minutes pairs cut into 4 pieces catfish fillets, cornmeal, all-purpose flour for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 520 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart.

★ 4.4 (9 ratings) Prep: 20 min Cook: 20 min Serves 4 Latin American cuisine 520 cal/serving
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Ingredients

Instructions

  1. Step 1: In a shallow bowl, whisk together 1/2 cup all-purpose flour, 1 cup cornmeal, 1 tbsp Cajun seasoning, 1 tsp salt, and 1/2 tsp black pepper.
  2. Step 2: Pour 1 cup buttermilk into another bowl. Dip each of the 1 lb catfish fillet pieces into the buttermilk, then dredge thoroughly in the cornmeal mixture to coat.
  3. Step 3: Heat 4 cups vegetable oil in a deep skillet or pot to 350°F. Fry catfish pieces in batches for 4-5 minutes until golden brown and cooked through. Drain on paper towels.
  4. Step 4: To make the remoulade sauce, combine 1/2 cup mayonnaise, 2 tbsp Dijon mustard, 1 tbsp chopped capers, 1 tbsp lemon juice, 1 tsp paprika, 1/2 tsp garlic powder, 1 tsp hot sauce, and a pinch of salt and black pepper in a bowl. Mix well.
  5. Step 5: Split 4 French rolls horizontally but leave one side attached to create a pocket. Spread remoulade sauce generously on both sides.
  6. Step 6: Layer each sandwich with crispy fried catfish, 1/4 cup shredded iceberg lettuce, and 2-3 slices of tomato.
  7. Step 7: Serve immediately while the fish is warm and the roll is crusty.

Frequently asked questions

How long does Po' Boy Sandwich with Fried Catfish and Remoulade take to make?

Total time is about 40 minutes (20 min prep + 20 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Po' Boy Sandwich with Fried Catfish and Remoulade?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep cornmeal from drying out.

Can I substitute ingredients in Po' Boy Sandwich with Fried Catfish and Remoulade?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Po' Boy Sandwich with Fried Catfish and Remoulade for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Po' Boy Sandwich with Fried Catfish and Remoulade?

Latin American mardi gras like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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