Go Back
Adam

Sheet Pan Chicken Fajitas – Easy, Flavor-Packed, and Perfect for Busy Nights

When you want bold flavor with minimal cleanup, Sheet Pan Chicken Fajitas are the ultimate solution. Juicy chicken tenders roast alongside colorful bell peppers and red onion, all coated in a smoky, well-balanced spice blend that delivers classic fajita flavor—without standing over the stove. Everything cooks together on one pan, making this recipe fast, reliable, and perfect for weeknights. What makes these oven-baked chicken fajitas a standout is their simplicity. The vegetables caramelize just enough to become sweet and tender, the chicken stays juicy, and the spices bloom beautifully in the oven. Whether you’re feeding family, meal prepping for the week, or building a customizable dinner spread, this dish checks every box. If you love easy sheet pan dinners, healthy chicken recipes, and Mexican-inspired flavors, this recipe deserves a spot in your regular rotation.
Print Recipe Pin Recipe
Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings: 4 servings
Ingredients Equipment Method Notes

Ingredients
  

Protein
  • 1 lb chicken breast tenders
Vegetables
  • 1 green bell pepper sliced
  • 1 yellow bell pepper sliced
  • 1 red bell pepper sliced
  • 1 red onion thinly sliced
Fats
  • 2 tablespoons olive oil
Spices & Seasoning
  • 1 tablespoon chili powder
  • 1 teaspoon paprika
  • 1 tablespoon cumin
  • 1 teaspoon garlic powder
  • ½ teaspoon onion powder
  • 1 teaspoon dried oregano
  • Kosher salt to taste
  • Freshly cracked black pepper to taste
Ingredient Notes:
  • Using chicken tenders keeps cook time short and even.
  • A mix of bell peppers adds sweetness color, and texture.
  • Cumin and chili powder are essential for authentic fajita flavor.

✨ Kitchen Essentials You’ll Love

Quick picks I trust for better results, faster prep, and easier cleanup.

  • 🍳

    Lodge Seasoned Cast Iron Skillet

    View ↗
  • ⚡

    Instant Pot Duo Plus 9-in-1 Electric

    View ↗
  • 🔥

    CHEFMAN Digital Air Fryer XL 10L

    View ↗

Disclosure: As an Amazon Associate, I earn from qualifying purchases at no extra cost to you.

Equipment

  • Large sheet pan (rimmed)
  • Mixing bowl
  • Measuring spoons
  • Knife and cutting board
  • Tongs or spatula
  • Parchment paper or foil (optional)
  • Tip: Use a large pan so ingredients roast instead of steaming.

Method
 

Step 1: Preheat the Oven
  1. Preheat oven to 220°C (425°F).
  2. Line a sheet pan with parchment paper or foil if desired.
Step 2: Prepare the Ingredients
  1. Slice all bell peppers and red onion evenly.
  2. Pat chicken tenders dry with paper towels.
Step 3: Season
  1. In a large bowl, add chicken, peppers, and onion.
  2. Drizzle with olive oil.
  3. Sprinkle chili powder, paprika, cumin, garlic powder, onion powder, oregano, salt, and black pepper.
  4. Toss until everything is evenly coated.
Step 4: Arrange on Sheet Pan
  1. Spread the mixture evenly on the sheet pan in a single layer.
  2. Make sure chicken pieces are not stacked.
Step 5: Roast
  1. Roast for 18–22 minutes, stirring halfway through.
  2. Chicken should be cooked through and vegetables tender with lightly charred edges.
Step 6: Optional Broil
  1. For extra char, broil for 2–3 minutes at the end.
  2. Watch closely to avoid burning.
Step 7: Rest and Serve
  1. Remove from oven.
  2. Let rest for 5 minutes before serving.

Notes

🧊 Storage & Reheating
Storage
Store leftovers in an airtight container in the refrigerator for up to 4 days
Reheating
Reheat in the oven at 180°C (350°F) for 8–10 minutes
Or warm gently in a skillet
Tip: Avoid microwaving if you want to keep vegetables slightly crisp.
🥄 Variations
Spicy Fajitas
Add cayenne pepper or chili flakes
Low-Carb Option
Serve as-is over lettuce or cauliflower rice
Extra Veggies
Add zucchini or mushrooms
Meal Prep Friendly
Divide into containers for easy lunches
Herb Finish
Garnish with fresh cilantro before serving
❓ 10 FAQs
Can I use chicken breasts instead of tenders?
Yes, slice them evenly for quick cooking.
Do I need to flip everything?
Stir once halfway for even roasting.
Is this recipe healthy?
Yes, it’s lean, balanced, and oven-roasted.
Can I make this ahead of time?
Yes, it reheats very well.
Is it spicy?
Mild, with adjustable heat.
Can I freeze leftovers?
Yes, freeze for up to 2 months.
What pan size works best?
A large rimmed sheet pan.
Why high oven heat?
It helps vegetables caramelize properly.
Is this kid-friendly?
Yes, flavors are approachable.
Can I double the recipe?
Yes, use two sheet pans.
🏁 Conclusion
These sheet pan chicken fajitas prove that big flavor doesn’t require complicated steps or piles of dishes. With juicy chicken, caramelized peppers, and classic fajita spices, this dish delivers comfort, color, and convenience all in one pan.
Perfect for busy nights, meal prep, or casual family dinners, this recipe is a dependable favorite you’ll want to make again and again.