Easy Sheet Pan Baked Chicken Fajitas

These Baked Chicken Fajitas are a delicious and easy weeknight dinner option that the whole family will love! With tender chicken and fresh vegetables that are seasoned to perfection, this dish is sure to become a household favorite.

Chicken with bell peppers cooking on a sheet pan.

This Mexican Shredded Beef or Mexican Slow Cooker Pork Carnitas also makes great family-friendly meals.

Why You’ll Love This Recipe

  • It’s quick and simple to prepare, perfect for busy evenings.
  • Packed with flavor from a blend of spices, giving you that authentic fajita taste.
  • A healthier alternative to takeout, made with fresh, wholesome ingredients.
  • One-pan recipe means minimal cleanup, making it even more convenient.

Equipment Needed

  • knife and cutting board
  • large rimmed baking sheet

Ingredients

This is a list of the ingredients that you need to make your grocery shopping easier. You can find the full list of ingredients and amounts needed in the recipe card at the bottom of this post.

  • yellow onion
  • bell pepper
  • chicken tenderloins
  • avocado oil
  • fajita seasoning – you can make your own by using chili powder, ground cumin, garlic powder, onion powder, smoked paprika, dried oregano, salt, and black pepper.

How to Make Baked Chicken Fajitas

This is a quick overview of the step-by-step instructions for making this recipe. You can find the complete list of instructions in the printable recipe card at the bottom of this post.

  1. In the same bowl, add chicken tenderloins with the remaining avocado oil and taco seasoning. Mix until all pieces of chicken are well coated.
  1. In a large bowl toss sliced peppers and onion with 1 1/2 tablespoons of avocado oil. 
  1. Toss the vegetables with half of the seasoning. Spread the vegetables out on a foil lined baking sheet.
  1. Add the chicken strips to a large bowl and then add the remaining oil and seasoning. Toss to coat.
  1. Place the chicken strips on the baking sheet with the vegetables.
  1. Bake in the preheated oven at 350 degrees for 20 minutes.

What To Serve With This Dish

These sheet pan fajitas work well as a meal all on their own. However, you can also serve them with this Mexican Style Corn on the Cob and this Spanish Rice for a meal that tastes just like your favorite Mexican restaurant.

Substitutions and Additions

  • Swap the chicken for shrimp, steak, or even tofu for a delicious twist.
  • Feel free to mix in other vegetables, such as zucchini, mushrooms, or fresh tomatoes, for added flavor and nutrition.
  • Add a pinch of cayenne pepper or a drizzle of hot sauce for an extra kick of heat!
  • Enhance the fajitas with sour cream, guacamole, shredded cheese, or fresh salsa for a customizable feast.
  • Want to save time? Instead of making your own fajita seasoning, use taco seasoning instead.

How To Store

Storage – Leftover fajitas can be stored in an airtight container in the fridge for up to 3-4 days.

Reheating – To reheat, simply warm them up in a skillet or microwave until heated through.

Sandra’s Pro Tips

  • Don’t have chicken tenderloins? You can also slice chicken breasts into strips and use them instead. Just make sure to slice them evenly.
  • Removing the tendons from the tenderloins will ensure that you have a tender bite for every piece of chicken.
  • I used foil to make clean up easier. If you don’t have foil, use a silicone baking mat, or even just some olive oil spray to prevent sticking.

FAQs

Do you have questions about this baked chicken fajitas recipe? Here are the answers to the most commonly asked questions for this recipe.

Can I make this spicier?

Of course! If you enjoy a bit of spice, you can add diced jalapeños, a sprinkle of cayenne pepper, or even a few dashes of hot sauce to the seasoning mixture. Adjust the heat to your personal preference.

Do leftover fajitas freeze well?

Yes, leftover fajitas freeze quite well! Store the cooked chicken and vegetables in an airtight container or freezer-safe bag in the freezer for up to three months.

What type of tortillas should I use for fajitas?

I like to use low carb tortillas to keep the meal keto-friendly. However, you can use corn or flour tortillas depending on your preference.

Other Delicious Mexican-Inspired Recipes You May Enjoy

Baked chicken fajitas with bell peppers.

Baked Chicken Fajitas

Sheet pan fajitas with chicken tenderloins and a variety of peppers flavored with tacos seasoning spices. This simple dish is on the table in 30 minutes.
5 from 10 votes
Print Pin Rate
Course: Main Dish
Cuisine: American
Keyword: sheet pan chicken fajitas
Prep Time: 10 minutes
Cook Time: 20 minutes
Total Time: 30 minutes
Servings: 8 servings
Calories: 205kcal
Author: Sandra Shaffer

Equipment

  • Large rimmed baking sheet

Ingredients

  • 1 onion sliced
  • 3 bell peppers sliced mix or red, yellow and green
  • 1 1/2 pounds chicken tenderloins
  • 3 tablespoons avocado oil divided

Fajita Seasoning

  • Taco Seasoning pre-packaged or
  • 1 tablespoon chili powder
  • 2 teaspoons ground cumin
  • 2 teaspoons garlic powder
  • 1 teaspoon onion powder
  • 1 teaspoon smoked paprika
  • ½ teaspoon dried oregano
  • Salt and pepper to taste

Instructions

  • Place baking sheet in the oven and turn heat to 400 degrees.
  • In a large bowl toss sliced peppers and onion with 1 1/2 tablespoons of avocado oil. 
  • Remove hot pan from oven and place vegetables on the baking sheet. Return to oven and cook for 7-8 minutes. 
  • In the same bowl add chicken tenderloins with remaining avocado oil and taco seasoning. Mix until all pieces of chicken are well coated.
  • Turn oven down to 350 degrees and add chicken to vegetables. Ensure all the chicken is in a single layer to cook evenly. Bake for 20 minutes.  
  • In the meantime heat tortillas or prepare green salad.
  • Remove chicken fajitas from the oven and enjoy with you favorite condiments.

Notes

Avocado oil is recommended due to the high heat smoke point since the initial temperature is 400 degrees. Extra virgin olive oil will begin to smoke over 374 degrees. 

Nutrition

Serving: 1g | Calories: 205kcal | Carbohydrates: 4g | Protein: 27g | Fat: 8g | Saturated Fat: 1g | Polyunsaturated Fat: 6g | Cholesterol: 72mg | Sodium: 115mg | Fiber: 1g | Sugar: 2g

Disclaimer

Please note that the nutritional information provided are guidelines and may vary based on the brand of products used. For your specific nutritional goals use My Fitness Pal or Verywell Fit recipe calculators. All content within this site is not intended as medical diagnosis or treatment and should not be considered a substitute for professional medical expertise.

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10 Comments

  1. 5 stars
    After your muffin tin meatloaf became the most requested dish in the house, I needed a break & something new in my rotation. Trying to convince 2 boys that there is more to life than beef and bbq sauce is not easy. Then I found your one sheet pan chicken fajitas. Chicken comes out moist and tender not dry like I thought they may be. I leave in my veggies a little longer for that burnt edges/carmelized effect. Great with chips, tortillas or just on their own. Huge win 🙂 Thank you for another easy, quick, delicious, healthy meal option!

  2. This is exactly the kind of meal I love on busy nights. Can’t wait to try your version of Easy Baked Chicken Fajitas, they look amazingly flavorful!

  3. I just recently began doing sheet pan meals and since we are sweltering in the heat here (great description!) I’ve been making them on the grill – that works too! Thanks for another great recipe!!