Sheet Pan Mexican-Inspired Chicken Fajitas

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Juicy chicken strips roasted with colorful bell peppers and onions, seasoned with bold Mexican spices and served sizzling straight from the oven. This mexican-inspired sheet pan ready in about 40 minutes pairs medium red bell pepper, sliced, medium green bell pepper, sliced, large yellow onion, sliced for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 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: 15 min Cook: 25 min Serves 4 Mexican cuisine 350 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 425°F and line a large sheet pan with parchment paper.
  2. Step 2: In a large bowl, combine 1.5 lbs sliced boneless skinless chicken breasts, 1 sliced red bell pepper, 1 sliced green bell pepper, and 1 sliced large yellow onion. Drizzle with 3 tbsp olive oil.
  3. Step 3: Sprinkle 2 tsp chili powder, 1 tsp ground cumin, 1 tsp smoked paprika, 1 tsp garlic powder, 1 tsp kosher salt, and 1/2 tsp black pepper over the chicken and vegetables. Toss well to coat everything evenly.
  4. Step 4: Spread the mixture in an even layer on the prepared sheet pan. Roast for 20-25 minutes until chicken is cooked through and vegetables are tender, stirring once halfway through.
  5. Step 5: Remove from oven and drizzle with 2 tbsp fresh lime juice. Sprinkle 1/4 cup chopped fresh cilantro on top before serving with warm tortillas or rice.

Equipment for this recipe

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Frequently asked questions

How long does Sheet Pan Mexican-Inspired Chicken Fajitas take to make?

Total time is about 40 minutes (15 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 Mexican-Inspired Chicken Fajitas?

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 large yellow onion, sliced from drying out.

Can I substitute ingredients in Sheet Pan Mexican-Inspired Chicken Fajitas?

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 Mexican-Inspired Chicken Fajitas 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 Mexican-Inspired Chicken Fajitas?

Mexican sheet pan 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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