Sheet Pan Cajun-Spiced Chicken with Roasted Sweet Peppers

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

Juicy chicken breasts seasoned with bold Cajun spices roasted alongside sweet bell peppers for a colorful, easy weeknight dinner. This american-inspired chicken (gluten free) ready in about 35 minutes pairs olive oil, Cajun seasoning, garlic powder for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 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: 25 min Serves 4 American cuisine 320 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 425°F. In a small bowl, combine 2 tbsp Cajun seasoning, 1 tsp garlic powder, 1 tsp smoked paprika, 1 tsp salt, and 1/2 tsp black pepper.
  2. Step 2: Place 4 chicken breasts on a large rimmed baking sheet. Drizzle 2 tbsp olive oil over chicken and rub the spice mixture evenly over both sides of each breast.
  3. Step 3: Toss 3 sliced bell peppers with remaining 1 tbsp olive oil and spread around chicken on the sheet pan.
  4. Step 4: Roast in the preheated oven for 20-25 minutes until chicken reaches an internal temperature of 165°F and peppers are tender with slightly charred edges.
  5. Step 5: Remove from oven and let chicken rest for 5 minutes. Garnish with 2 tbsp chopped fresh parsley before serving.

Equipment for this recipe

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Frequently asked questions

How long does Sheet Pan Cajun-Spiced Chicken with Roasted Sweet Peppers take to make?

Total time is about 35 minutes (10 min prep + 25 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 Chicken with Roasted Sweet Peppers?

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 Chicken with Roasted Sweet Peppers?

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 Chicken with Roasted Sweet Peppers 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 Chicken with Roasted Sweet Peppers 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.