Looking for a delicious and easy dinner idea? Try these sheet pan chicken fajitas, a perfect blend of flavorful chicken, bell peppers, onions, and fajita seasoning, all cooked to perfection on a single sheet pan. You’ll love this recipe for sheet pan chicken fajitas because it’s quick, easy, and packed with nutrients. Whether you’re a busy weeknight cook or a weekend meal prep enthusiast, this sheet pan chicken fajitas recipe is a great addition to your culinary repertoire.
Table of Contents
Why You’ll Love This Recipe
- Quick and easy to prepare
- Packed with protein and fiber
- Customizable with your favorite toppings
- Perfect for meal prep or a fast dinner
Ingredients

- 1 lb chicken breast
- 2 bell peppers (any color)
- 1 large onion
- 2 tbsp fajita seasoning
- 2 tbsp olive oil
- Salt and pepper to taste
- 8-10 tortillas
- Optional toppings: avocado, sour cream, salsa, shredded cheese, cilantro
Step-by-Step Instructions

1. Preheat your oven to 400°F (200°C).
2. Slice the chicken, bell peppers, and onions into thin strips.
3. In a large bowl, mix together the chicken, bell peppers, onions, fajita seasoning, salt, and pepper.
4. Drizzle with olive oil and toss to coat.
5. Spread the mixture out in a single layer on a sheet pan.
6. Bake for 20-25 minutes or until the chicken is cooked through and the vegetables are tender.
7. Warm the tortillas by wrapping them in a damp paper towel and microwaving for 20-30 seconds.
8. Assemble the fajitas by placing the cooked chicken and vegetable mixture onto the tortillas and adding desired toppings.
For more sheet pan dinner ideas, check out our Sheet Pan Chicken and Potatoes or Easy Shrimp Sheet Pan Dinner recipes. If you prefer a different protein, you might enjoy our Pan-Seared Chicken Breast or Sheet Pan Salmon recipes.
Expert Tips
To add some extra flavor to your fajitas, try marinating the chicken in a mixture of lime juice, olive oil, and fajita seasoning for at least 30 minutes before cooking. You can also customize your fajitas with your favorite toppings, such as avocado for a creamy and nutritious addition. For more information on the benefits of chicken, visit Healthline’s article on the benefits of chicken.
Storage/Make-Ahead Instructions
To store your cooked fajitas, let them cool completely before refrigerating or freezing. For more information on safe handling of raw chicken, visit the CDC’s website. You can also learn about the nutritional value of bell peppers and the health effects of onion consumption to make informed decisions about your ingredients.

Sheet Pan Chicken Fajitas
Equipment
- Sheet pan
- Oven
- Cutting Board
- Knife
Ingredients
Protein
- 1 lb chicken breast
Vegetables
- 2 bell peppers any color
- 1 onion
Seasonings
- 2 tbsp fajita seasoning
- 2 tbsp olive oil
- salt and pepper
Tortillas
- 8-10 tortillas
Instructions
- Preheat oven to 400°F (200°C).
- Slice chicken, bell peppers, and onions into thin strips.
- Mix together chicken, bell peppers, onions, fajita seasoning, salt, and pepper in a large bowl.
- Drizzle with olive oil and toss to coat.
- Spread mixture out in a single layer on a sheet pan.
- Bake for 20-25 minutes or until chicken is cooked through and vegetables are tender.
- Warm tortillas by wrapping them in a damp paper towel and microwaving for 20-30 seconds.
- Assemble fajitas by placing cooked chicken and vegetable mixture onto tortillas and adding desired toppings.
Notes
Calories: 350 per serving
Protein: 30g
Fat: 10g
Carbohydrates: 30g Tip: Let the cooked fajitas cool completely before refrigerating or freezing to prevent moisture from building up and making the tortillas soggy.
Frequently Asked Questions
What is the best type of chicken to use for sheet pan chicken fajitas?
The best type of chicken to use is boneless, skinless chicken breast, as it cooks quickly and evenly.
Are there any variations or substitutions I can make to the traditional sheet pan chicken fajitas recipe to give it a unique flavor or twist?
Yes, you can try adding different spices or seasonings, such as cumin or smoked paprika, to give the fajitas a unique flavor. You can also add other vegetables, such as zucchini or mushrooms, to the sheet pan for added nutrition and flavor.
How do I prevent the chicken and vegetables from becoming overcooked or dry when using a sheet pan?
To prevent overcooking, make sure to slice the chicken and vegetables thinly and evenly, and cook them for the recommended 20-25 minutes.
Can I customize the recipe to suit my dietary needs, such as gluten-free or vegan options?
Yes, you can customize the recipe by substituting the chicken with a vegan alternative, such as tofu or tempeh, and using gluten-free fajita seasoning.

























