Sheet Pan Cajun-Spiced Shrimp and Roasted Vegetables

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

Tender shrimp tossed in a smoky Cajun spice blend roasted alongside colorful vegetables for a quick, flavorful dinner. This caribbean-inspired seafood (gluten free) ready in about 30 minutes pairs large shrimp, peeled and deveined, small red onion, cut into 1-inch wedges, olive oil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 210 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: 20 min Serves 4 Caribbean cuisine 210 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 425°F. In a large bowl, toss 1 lb large shrimp with 1 tbsp olive oil, 2 tsp Cajun seasoning, 1 tsp smoked paprika, 1/2 tsp garlic powder, 1/2 tsp salt, and 1/4 tsp black pepper until evenly coated.
  2. Step 2: On a large rimmed baking sheet, spread out 1 sliced red bell pepper, 1 sliced zucchini, and 1 small red onion cut into wedges. Drizzle with 2 tbsp olive oil and lightly season with salt and pepper. Toss to coat.
  3. Step 3: Roast vegetables in the preheated oven for 10 minutes, then remove and stir.
  4. Step 4: Add the seasoned shrimp to the baking sheet with the vegetables, spreading everything evenly. Roast for an additional 8-10 minutes until shrimp are opaque and vegetables are tender.
  5. Step 5: Remove from oven and sprinkle 2 tbsp chopped fresh parsley over the shrimp and vegetables before serving.

Frequently asked questions

How long does Sheet Pan Cajun-Spiced Shrimp and Roasted Vegetables take to make?

Total time is about 30 minutes (10 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 Sheet Pan Cajun-Spiced Shrimp and Roasted Vegetables?

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 olive oil from drying out.

Can I substitute ingredients in Sheet Pan Cajun-Spiced Shrimp and Roasted Vegetables?

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 Shrimp and Roasted Vegetables 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.

Is Sheet Pan Cajun-Spiced Shrimp and Roasted Vegetables gluten free?

Yes — this recipe is tagged gluten free based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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