Sheet Pan Chicken Fajitas

Imagine the sizzle of succulent chicken and the vibrant dance of bell peppers and onions as they hit the hot surface of a sheet pan. This isn’t just dinner; it’s an aromatic fiesta in your kitchen. Sheet Pan Chicken Fajitas bring the bold and zesty flavors of Mexico to your table with minimal fuss and maximum taste. Inspired by the traditional Tex-Mex classic, this dish is a harmonious blend of spices, tender chicken, and colorful vegetables all roasted to perfection.

close up view of a chicken taco with fresh vegetable toppings

Chef’s Tips

  • Marinade for Flavor: For even more depth, let the chicken marinate in the spice and olive oil mixture for at least 30 minutes before cooking. If you have time, letting it sit in the fridge for a few hours or overnight will intensify the flavors.
  • Uniform Pieces: Cut the chicken and vegetables into similar-sized pieces. This ensures everything cooks at the same rate, preventing some pieces from overcooking while others are just right.
  • Don’t Overcrowd the Pan: Spread the chicken and veggies in a single layer, leaving a bit of space between them. Crowding the pan can cause the ingredients to steam instead of roast, losing that desirable crispy edge.
  • Rotate the Pan: Halfway through cooking, rotate the sheet pan 180 degrees to account for any hot spots in your oven. This helps everything cook evenly.
  • High Heat for Veggies: If you want a slight char on your vegetables, consider broiling them for the last 2-3 minutes of cooking. Keep a close eye on them to prevent burning.
  • Rest the Chicken: If you’ve used larger pieces of chicken, let them rest for a few minutes after removing from the oven. This allows the juices to redistribute, ensuring moist, tender meat.
  • Warm Tortillas Properly: For pliable, warm tortillas that don’t break when you roll them, heat them in a dry skillet over medium heat for about 30 seconds on each side. Alternatively, wrap them in a damp cloth and microwave them for 20-30 seconds.
  • Customize Toppings: Encourage family or guests to customize their fajitas. Offer a variety of toppings like different cheeses, salsa, guacamole, and lettuce. It’s a fun way to make the meal interactive.
  • Fresh Lime Juice: Don’t skip the squeeze of fresh lime at the end. The acid brightens the flavors and cuts through the richness, elevating the whole dish.
  • Clean as You Go: To avoid a pile of dishes at the end, clean utensils, bowls, and cutting boards while the fajitas are in the oven. It makes post-dinner cleanup much easier.
ingredients in cups and bowls for chicken fajitas

Ingredients

  • Chicken (2.5 lbs): Choose between lean breasts or juicier thighs, diced for uniform cooking and optimal spice absorption.
  • Bell Peppers (1 red, 1 yellow, 1 orange): Each adds distinct sweetness and crunch, with thin slices ensuring even roasting and a colorful presentation.
  • Red Onion (1): Offers a sharp contrast that mellows upon cooking, infusing sweetness and depth into the fajitas.
  • Spices (Paprika, Garlic Powder, Onion Powder, Chili Powder, Dried Oregano, Cumin): A carefully measured blend that brings warmth, earthiness, and a touch of heat, each contributing to the dish’s complex flavor profile.
  • Salt & Black Pepper: Adjust to taste, enhancing the overall savoriness and bringing out the individual flavors of the other ingredients.
  • Garlic Cloves (2, minced): Provides a pungent, aromatic kick, essential for authentic fajitas.
  • Cilantro (1 bunch, chopped): Adds a fresh, citrusy dimension, balancing the dish’s richness.
  • Olive Oil (2 tbsp): Ensures even cooking and helps spices cling to the chicken and veggies.
  • Toppings: Sour Cream, Avocado, Mozzarella, Lime: Each brings its own texture and taste, from creamy to zesty, allowing for customization in every bite.
  • Tortillas (12, e.g., flour): The vessel for all the delicious ingredients, chosen for their softness and ability to hold the hearty filling.
sheet pan with spread of seasoned chicken and fresh vegetable toppings

Instructions

  1. Preheat the Oven (375°F/190°C): Start by getting your oven hot and ready. A properly preheated oven ensures even cooking and the perfect texture for your fajitas.
  2. Season the Chicken: In a large bowl, combine diced chicken with olive oil, ensuring each piece is lightly coated. Sprinkle in paprika, garlic powder, onion powder, chili powder, dried oregano, cumin, salt, and black pepper. Toss until the chicken is evenly coated with this vibrant spice mixture.
  3. Add Veggies & Garlic: To the seasoned chicken, add the sliced bell peppers and red onion, along with minced garlic. Give it another good mix, ensuring the spices and oil are well distributed among the vegetables.
  4. Prepare the Sheet Pan: Line your sheet pan with parchment paper or a light coating of oil to prevent sticking. This step is crucial for easy cleanup and removing the fajitas effortlessly once cooked.
  5. Spread the Mixture: Pour the chicken and vegetable mixture onto the sheet pan. Spread everything out into a single layer. The space between pieces allows for better heat circulation, ensuring everything cooks evenly and gets a deliciously roasted exterior.
  6. Bake: Slide the pan into the preheated oven. Let it bake for 30-35 minutes. Halfway through, give everything a gentle stir or flip to ensure all sides get that perfect roast.
  7. Check for Doneness: After 30 minutes, check the chicken. It should be fully cooked through (no pink in the center), and the vegetables should be tender yet slightly crisp. If needed, give it a few more minutes.
  8. Warm the Tortillas: While the fajitas are in the oven, warm your tortillas. This can be done in a dry skillet over low heat, in the microwave, or directly over a gas flame for a bit of char.
  9. Assemble the Fajitas: Once everything’s cooked and the tortillas are warm, it’s time to assemble. Scoop a generous portion of the chicken and vegetable mix onto each tortilla.
  10. Add Toppings: Now, the fun part – toppings! Squeeze fresh lime juice over the filling, add diced avocado, a dollop of sour cream, and a sprinkle of shredded mozzarella. Finish with a garnish of fresh, chopped cilantro.
  11. Serve & Enjoy: Roll up your tortillas or fold them into a hearty fajita. Serve immediately while everything’s still warm and the flavors are at their peak.
sheet pan with spread of seasoned chicken and fresh vegetable toppings

FAQs

Can I make this recipe ahead of time?

Yes, you can prepare the chicken and vegetable mix a day in advance and keep it marinated in the fridge. When ready to cook, simply spread it on the sheet pan and follow the baking instructions. The flavors will be even more pronounced after marinating overnight.

What are the best sides to serve with fajitas?

Traditional sides like Mexican rice, beans, or a simple salad work well. For a lighter option, consider a corn and avocado salad. If you’re looking for more texture, crispy tortilla chips or a side of nachos can add a fun twist.

How can I make my fajitas extra crispy?

For crispier vegetables, try broiling them for the last few minutes of cooking. Keep a close eye on them to prevent burning. Also, ensure your oven is fully preheated and that the sheet pan isn’t overcrowded.

Can I use different meats or make it vegetarian?

Absolutely! Beef strips or shrimp make great substitutes for chicken. For a vegetarian version, try portobello mushrooms or a mix of other vegetables like zucchini and squash. Adjust cooking times accordingly.

How spicy are these fajitas, and can I adjust the heat level?

The recipe provides a moderate level of spice. If you prefer milder flavors, reduce the chili powder. For more heat, add extra chili powder, some cayenne pepper, or diced jalapenos to the mix.

Can I make this dish gluten-free?

Yes, simply use gluten-free tortillas or serve the chicken and vegetable mix over a bed of rice or quinoa for a gluten-free meal.

How do I prevent the chicken from drying out?

Don’t overcook the chicken. Remove it from the oven as soon as it reaches the safe internal temperature of 165°F (74°C). Cutting the chicken into even pieces ensures they all cook at the same rate.

Can I use frozen vegetables?

While fresh vegetables are recommended for the best texture and flavor, you can use frozen in a pinch. Be aware they may release more water during cooking, which can affect the roasting. If using frozen, try to remove as much excess water as possible before cooking.

Are there any dairy-free topping alternatives?

Yes, you can use dairy-free cheese or a dollop of guacamole instead of sour cream. Fresh salsa is also a great dairy-free option to add flavor and moisture.

hand holding a chicken taco with fresh vegetable toppings

More Sheet Pan Meals

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Sheet Pan Chicken Fajitas

Sea Salt Savorings
Sheet Pan Chicken Fajitas is a colorful, flavorful meal that's easy to prepare. Perfect for busy weeknights or a fun family dinner!
5 from 1 vote
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Course Main Course
Cuisine American, Mexican
Servings 12 fajitas
Calories 284 kcal

Ingredients
  

  • 2.5 lbs chicken diced
  • 1 red bell pepper sliced
  • 1 yellow bell pepper sliced
  • 1 orange bell pepper sliced
  • 1 red onion sliced
  • ½ tsp paprika
  • ½ tsp garlic powder
  • ½ tsp onion powder
  • ½ tsp Mexican chili powder
  • ½ tsp dried oregano
  • ½ tsp cumin
  • 1 tsp salt or to taste
  • 1 tsp black pepper or to taste
  • 2 garlic cloves minced
  • 1 bunch cilantro chopped
  • 2 tbsp olive oil
  • 2 tbsp sour cream for topping
  • 1 avocado diced, for topping
  • 1 cup mozzarella shredded, for topping
  • 1 lime juiced, for topping
  • 12 tortillas e.g., flour tortillas

Instructions
 

  • Preheat the Oven: Preheat your oven to 375 degrees Fahrenheit (190°C) to ensure it's ready when your fajitas are prepared.
  • Prepare the Chicken and Veggies: In a large mixing bowl, add the diced chicken, olive oil, paprika, garlic powder, onion powder, Mexican chili powder, dried oregano, cumin, salt, and black pepper to the bowl. Mix until well combined. Then add the minced garlic, sliced red, yellow, and orange bell peppers, and sliced red onion. Mix everything together until the chicken and veggies are evenly coated with the spices and oil.
  • Arrange on a Sheet Pan: Prepare a sheet pan by lining it with parchment paper or lightly greasing it. Spread the seasoned chicken and veggies evenly across the sheet pan, ensuring they are in a single layer. This will help them cook evenly.
  • Bake the Fajitas: Place the sheet pan in the preheated oven and bake for 30-35 minutes or until the chicken is fully cooked and starts to develop a delicious brown color. Make sure to check the chicken for doneness, as cooking times may vary slightly depending on your oven.
  • Assemble Your Fajitas: Once your chicken fajitas are cooked to perfection, it's time to assemble your meal. Warm your tortillas according to package instructions or personal preference.
  • Toppings and Serving: Place a generous portion of the cooked chicken and veggie mixture onto each tortilla. Squeeze fresh lime juice over the filling, add diced avocado, a dollop of sour cream, a sprinkle of shredded mozzarella, and a garnish of chopped cilantro.

Nutrition

Calories: 284kcalCarbohydrates: 20gProtein: 14gFat: 17gSaturated Fat: 5gPolyunsaturated Fat: 3gMonounsaturated Fat: 7gTrans Fat: 0.04gCholesterol: 43mgSodium: 509mgPotassium: 306mgFiber: 3gSugar: 3gVitamin A: 850IUVitamin C: 48mgCalcium: 110mgIron: 2mg

Nutrition values are estimates, for exact values consult a nutritionist.

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5 from 1 vote (1 rating without comment)

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