These Sheet Pan Chicken Fajitas are the ultimate easy weeknight dinner. Juicy seasoned chicken, colorful bell peppers, and sweet onions roast together on one pan for a flavorful meal with almost no cleanup. Finished with fresh lime juice and cilantro, this healthy fajita recipe is perfect for busy families, meal prep, or Taco Tuesday.
Why You’ll Love This Recipe
- Everything cooks on one sheet pan.
- Ready in about 35 minutes.
- Easy cleanup with minimal dishes.
- Packed with juicy chicken and colorful vegetables.
- Perfect for meal prep and leftovers.
- Family-friendly and easy to customize.
- Great for tacos, bowls, salads, or wraps.
Ingredients

Chicken Fajitas
- 1½ pounds boneless skinless chicken breasts, sliced into ½-inch strips
- 3 bell peppers (red, yellow, and green), sliced
- 1 yellow onion, thinly sliced
- 2 garlic cloves, minced
- 3 tablespoons olive oil
- 1 lime
- ¼ cup fresh cilantro, chopped
- 8–10 small flour tortillas
Optional Toppings
- Sour cream
- Sliced avocado or guacamole
- Pico de gallo
- Shredded cheddar or Mexican cheese blend
Fajita Seasoning
- 1 tablespoon chili powder
- 1½ teaspoons paprika
- 1½ teaspoons ground cumin
- ½ teaspoon onion powder
- ½ teaspoon garlic powder
- ¼ teaspoon dried oregano
- ¼ teaspoon cayenne pepper (optional)
- 1½ teaspoons salt
- ¾ teaspoon freshly ground black pepper
Instructions
- Preheat the oven to 425°F (220°C).
- Lightly grease a large sheet pan with cooking spray or brush with olive oil.
- Arrange the sliced bell peppers and onion evenly across the sheet pan.
- Place the sliced chicken over the vegetables.
- In a small bowl, whisk together all the fajita seasoning ingredients.
- Sprinkle most of the seasoning over the chicken and the remaining seasoning over the vegetables.
- Scatter the minced garlic over the chicken and drizzle everything with olive oil.
- Toss until the chicken and vegetables are evenly coated, then spread into a single layer.
- Bake for 15–20 minutes or until the chicken reaches an internal temperature of 165°F (74°C).
- During the last 5 minutes of baking, wrap the tortillas in foil and warm them in the oven.
- Remove the sheet pan from the oven and squeeze fresh lime juice over the Sheet Pan Chicken Fajitas.
- Sprinkle with chopped cilantro and serve with warm tortillas and your favorite toppings.

Tips & Tricks
- Slice the chicken and vegetables into similar-sized strips for even cooking.
- Don’t overcrowd the pan to help the vegetables roast instead of steam.
- Use chicken thighs if you prefer extra juicy meat.
- Add sliced mushrooms or zucchini for more vegetables.
- Warm tortillas before serving for the best texture.
- Double the seasoning and save extra for future fajita nights.
Details
- Prep Time: 15 minutes
- Cook Time: 20 minutes
- Total Time: 35 minutes
- Yield: 6 servings
- Category: Main Course
- Method: Baking
- Cuisine: Mexican-Inspired
- Difficulty: Easy
- Dietary Notes: High-Protein

Notes
- Corn tortillas may be substituted for flour tortillas.
- Serve over rice, cauliflower rice, or salad for a low-carb option.
- Leftover fajita filling is delicious in quesadillas, burritos, nachos, or grain bowls.
- Freshly squeezed lime juice adds the best flavor.
- Top with sliced jalapeños for extra heat.
Nutrition (Approximate Per Serving)
- Calories: 430
- Protein: 35g
- Carbohydrates: 28g
- Fat: 18g
- Fiber: 4g
- Sugar: 6g
- Sodium: 690mg
FAQ
Can I use chicken thighs instead of chicken breasts?
Yes. Boneless skinless chicken thighs are an excellent substitute and stay especially juicy.
Can I prepare Sheet Pan Chicken Fajitas ahead of time?
Absolutely. Slice the chicken and vegetables and mix the seasoning up to a day ahead. Store everything separately until ready to bake.
Can I freeze the cooked fajitas?
Yes. Store the cooked chicken and vegetables in freezer-safe containers for up to 3 months. Thaw overnight before reheating.
What vegetables can I add?
Mushrooms, zucchini, poblano peppers, jalapeños, or sliced sweet potatoes all work well.
What can I serve with chicken fajitas?
Mexican rice, cilantro lime rice, refried beans, black beans, guacamole, chips, salsa, or a fresh corn salad are all excellent choices.
Storage
Store leftover Sheet Pan Chicken Fajitas in an airtight container in the refrigerator for up to 4 days. Reheat in a skillet over medium heat or in the microwave until warmed through. Freeze the chicken and vegetables (without tortillas) for up to 3 months.

Similar Recipes

Sheet Pan Chicken Fajitas
Ingredients
Chicken Fajitas
- 1½ pounds boneless skinless chicken breasts sliced into ½-inch strips
- 3 bell peppers red, yellow, and green, sliced
- 1 yellow onion thinly sliced
- 2 garlic cloves minced
- 3 tablespoons olive oil
- 1 lime
- ¼ cup fresh cilantro chopped
- 8 –10 small flour tortillas
Optional Toppings
- Sour cream
- Sliced avocado or guacamole
- Pico de gallo
- Shredded cheddar or Mexican cheese blend
Fajita Seasoning
- 1 tablespoon chili powder
- 1½ teaspoons paprika
- 1½ teaspoons ground cumin
- ½ teaspoon onion powder
- ½ teaspoon garlic powder
- ¼ teaspoon dried oregano
- ¼ teaspoon cayenne pepper optional
- 1½ teaspoons salt
- ¾ teaspoon freshly ground black pepper
Instructions
- Preheat the oven to 425°F (220°C).
- Lightly grease a large sheet pan with cooking spray or brush with olive oil.
- Arrange the sliced bell peppers and onion evenly across the sheet pan.
- Place the sliced chicken over the vegetables.
- In a small bowl, whisk together all the fajita seasoning ingredients.
- Sprinkle most of the seasoning over the chicken and the remaining seasoning over the vegetables.
- Scatter the minced garlic over the chicken and drizzle everything with olive oil.
- Toss until the chicken and vegetables are evenly coated, then spread into a single layer.
- Bake for 15–20 minutes or until the chicken reaches an internal temperature of 165°F (74°C).
- During the last 5 minutes of baking, wrap the tortillas in foil and warm them in the oven.
- Remove the sheet pan from the oven and squeeze fresh lime juice over the Sheet Pan Chicken Fajitas.
- Sprinkle with chopped cilantro and serve with warm tortillas and your favorite toppings.
Notes
- Corn tortillas may be substituted for flour tortillas.
- Serve over rice, cauliflower rice, or salad for a low-carb option.
- Leftover fajita filling is delicious in quesadillas, burritos, nachos, or grain bowls.
- Freshly squeezed lime juice adds the best flavor.
- Top with sliced jalapeños for extra heat.
Conclusion
These Sheet Pan Chicken Fajitas are one of the easiest dinners you’ll ever make. Tender chicken, roasted peppers, sweet onions, and bold homemade fajita seasoning create a meal that’s packed with fresh flavor and requires just one pan. Whether you’re feeding a hungry family, meal prepping for the week, or hosting Taco Tuesday, this simple recipe delivers delicious results every time.

