Cajun-Spiced Oyster Po’ Boy with Remoulade Sauce

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Crisp fried oysters dusted with Cajun spices nestled in a soft French roll and dressed with tangy remoulade. This Southern American-inspired sandwich and wrap recipe, ready in about 35 minutes, pairs shucked oysters, all-purpose flour, cornmeal for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 550 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. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 20 min Cook: 15 min Serves 4 Southern American cuisine 550 cal/serving
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Ingredients

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Instructions

  1. Step 1: In a shallow bowl, whisk together 1 cup all-purpose flour, 1/2 cup cornmeal, 2 tsp Cajun seasoning, 1 tsp salt, and 1/2 tsp black pepper.
  2. Step 2: Pour 1 cup buttermilk into another bowl and soak 12 large shucked oysters in it for 5 minutes.
  3. Step 3: Heat 2 cups vegetable oil in a deep skillet over medium-high heat until it reaches 350°F.
  4. Step 4: Remove oysters from buttermilk one at a time, dredge in the seasoned flour mixture, shaking off excess.
  5. Step 5: Fry oysters in batches for 2-3 minutes until golden brown and crispy, then transfer to a paper towel-lined plate to drain.
  6. Step 6: In a small bowl, combine 1/2 cup mayonnaise, 1 tbsp Dijon mustard, 1 tsp hot sauce, 1 tbsp lemon juice, 1/2 tsp garlic powder, and 1/2 tsp paprika to make remoulade sauce.
  7. Step 7: Split 4 French rolls and spread a generous layer of remoulade on each side.
  8. Step 8: Layer with 1 cup shredded lettuce, 4 fried oysters, and slices from 1 medium tomato per sandwich before closing and serving immediately.

Frequently asked questions

How long does Cajun-Spiced Oyster Po’ Boy with Remoulade Sauce take to make?

Total time is about 35 minutes (20 min prep + 15 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 Cajun-Spiced Oyster Po’ Boy with Remoulade Sauce?

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 shucked oysters from drying out.

Can I substitute ingredients in Cajun-Spiced Oyster Po’ Boy with Remoulade Sauce?

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 Cajun-Spiced Oyster Po’ Boy with Remoulade Sauce 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 Cajun-Spiced Oyster Po’ Boy with Remoulade Sauce?

Southern American sandwiches & wraps 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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