Cajun-Spiced Po'Boy Sandwich with Remoulade Sauce

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A classic New Orleans sandwich featuring crispy fried shrimp tossed in Cajun spices, served on a soft French roll with tangy remoulade. This louisiana creole-inspired sandwiches & wraps ready in about 35 minutes blends peeled and deveined shrimp, Cajun seasoning, buttermilk into a versatile sauce that lifts everything from grain bowls and roasted vegetables to grilled proteins — a small-batch staple worth keeping in the fridge. Each serving lands at about 550 calories and feeds 4, so a small batch covers several meals across the week without taking over the fridge. 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 Louisiana Creole cuisine 550 cal/serving
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Ingredients

Instructions

  1. Step 1: In a bowl, combine 1 lb peeled shrimp with 2 tbsp Cajun seasoning and 1 cup buttermilk. Toss to coat and marinate for 15 minutes.
  2. Step 2: In a separate shallow dish, mix 1 1/2 cups all-purpose flour and 1/2 cup cornmeal evenly.
  3. Step 3: Heat vegetable oil in a deep skillet or fryer to 350°F (about 4 cups oil).
  4. Step 4: Remove shrimp from buttermilk, letting excess drip off, then dredge in the flour-cornmeal mixture until well coated.
  5. Step 5: Fry shrimp in batches for 2-3 minutes until golden and crispy. Drain on paper towels.
  6. Step 6: In a small bowl, whisk together 1/2 cup mayonnaise, 2 tbsp Dijon mustard, 1 tbsp prepared horseradish, 1 tbsp lemon juice, 1 tsp Worcestershire sauce, 1 tsp hot sauce, 1/2 tsp garlic powder, and 1/2 tsp paprika to make remoulade.
  7. Step 7: Split 4 French rolls and toast lightly if desired. Spread remoulade sauce on both sides, then layer 1 leaf lettuce, sliced tomato, 1/2 cup pickles, and fried shrimp.
  8. Step 8: Serve immediately while shrimp are hot and crunchy.

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Frequently asked questions

How long does Cajun-Spiced Po'Boy Sandwich with Remoulade Sauce take to make?

Total time is about 35 minutes (20 min prep + 15 min cook). A small batch typically covers several meals in the week — store as the recipe directs.

How do I store leftover Cajun-Spiced Po'Boy Sandwich with Remoulade Sauce?

Transfer to an airtight jar and refrigerate for up to 5–7 days. Most sauces freeze well for up to 2 months — portion into small containers or freezer bags so you can thaw only what you need. Stir before serving; cream- or yogurt-based sauces may separate on standing.

Can I substitute ingredients in Cajun-Spiced Po'Boy Sandwich 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 Po'Boy Sandwich 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 Po'Boy Sandwich with Remoulade Sauce?

Louisiana Creole 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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