Sheet Pan Cajun-Spiced Po’Boy Sandwiches

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Tender shrimp coated in a bold Cajun spice blend roasted on a sheet pan, served in crusty rolls with a tangy remoulade and crisp lettuce for a classic New Orleans-inspired po’boy. This american-inspired sandwiches & wraps ready in about 22 minutes pairs peeled and deveined shrimp, olive oil, Cajun seasoning for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 420 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: 10 min Cook: 12 min Serves 4 American cuisine 420 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 425°F. In a large bowl, toss 1 lb peeled and deveined shrimp with 2 tbsp olive oil, 1 tbsp Cajun seasoning, 1 tsp garlic powder, 1 tsp paprika, 1/2 tsp salt, and 1/4 tsp black pepper until shrimp are evenly coated.
  2. Step 2: Spread the shrimp in a single layer on a rimmed sheet pan and roast for 8-10 minutes, flipping halfway through, until shrimp are opaque and slightly charred at edges.
  3. Step 3: Meanwhile, mix 1/2 cup mayonnaise, 1 tbsp Dijon mustard, 1 tbsp fresh lemon juice, and 1 tsp hot sauce in a small bowl to make remoulade sauce.
  4. Step 4: Toast 4 French rolls cut side up in the oven for 3 minutes until lightly crisp.
  5. Step 5: To assemble, spread remoulade on both sides of each roll, layer with 1 cup shredded romaine lettuce, roasted shrimp, and sliced tomato from 1 medium tomato. Serve immediately.

Equipment for this recipe

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Frequently asked questions

How long does Sheet Pan Cajun-Spiced Po’Boy Sandwiches take to make?

Total time is about 22 minutes (10 min prep + 12 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 Sheet Pan Cajun-Spiced Po’Boy Sandwiches?

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 peeled and deveined shrimp from drying out.

Can I substitute ingredients in Sheet Pan Cajun-Spiced Po’Boy Sandwiches?

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 Sheet Pan Cajun-Spiced Po’Boy Sandwiches 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 Sheet Pan Cajun-Spiced Po’Boy Sandwiches?

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.