Sheet Pan Cajun-Spiced Shrimp with Roasted Sweet Peppers

By Lauren Mitchell, Test Kitchen Director · Reviewed by AislePrompt Editorial · Published 2026-07-05 · Updated 2026-07-05

Juicy shrimp coated in smoky Cajun spices roasted alongside sweet bell peppers for a quick, flavorful dinner. This seafood-inspired sheet pan (gluten free) ready in about 20 minutes pairs large shrimp, peeled and deveined, olive oil, Cajun seasoning 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.

Ingredients

• 1 lb large shrimp, peeled and deveined
• 1 medium red bell pepper, sliced into 1/2-inch strips
• 1 medium yellow bell pepper, sliced into 1/2-inch strips
• 3 tbsp olive oil
• 2 tbsp Cajun seasoning
• 1 tsp garlic powder
• 1 tsp smoked paprika
• 1/2 tsp salt
• 1/4 tsp black pepper
• 1 tbsp fresh lemon juice

Instructions

1. Step 1: Preheat the oven to 425°F. In a large bowl, toss 1 lb peeled and deveined shrimp with 3 tbsp olive oil, 2 tbsp Cajun seasoning, 1 tsp garlic powder, 1 tsp smoked paprika, 1/2 tsp salt, and 1/4 tsp black pepper until evenly coated.
2. Step 2: Spread the seasoned shrimp on a large rimmed baking sheet and arrange 1 medium sliced red bell pepper and 1 medium sliced yellow bell pepper evenly around the shrimp.
3. Step 3: Roast in the oven for 8-10 minutes until the shrimp turn opaque and the bell peppers are tender and slightly caramelized.
4. Step 4: Remove from the oven and drizzle with 1 tbsp fresh lemon juice, tossing gently to combine. Serve immediately.