Sheet Pan Chicken Fajitas

Featured in: Evening Suppers

This vibrant dish combines tender chicken strips with colorful bell peppers and red onions, all tossed in a smoky, spiced marinade. Roasted on a single pan, it ensures maximum flavor with minimal cleanup. Ready in just over 30 minutes, it’s perfect for busy evenings and pairs well with warm tortillas and fresh lime.

Seasoned with chili powder, cumin, smoked paprika, and a hint of cayenne, the chicken and vegetables develop a delightful char as they cook. Serve immediately with cilantro, sour cream, salsa, or guacamole for a complete and satisfying meal.

Updated on Wed, 19 Nov 2025 13:52:00 GMT
Sheet-pan chicken fajitas with sizzling chicken and colorful peppers, ready to serve with toppings. Save
Sheet-pan chicken fajitas with sizzling chicken and colorful peppers, ready to serve with toppings. | moonthyme.com

A vibrant, easy weeknight meal featuring juicy chicken strips, colorful bell peppers, and onions, all roasted together on one pan for minimal cleanup and maximum flavor.

I first made these sheet-pan chicken fajitas when my family craved Mexican-inspired flavors but I wanted something fast and easy. Everyone was surprised by how delicious dinner was with just a little prep and simple, fresh ingredients.

Ingredients

  • Chicken: 1 ½ lbs (680 g) boneless, skinless chicken breasts or thighs, sliced into thin strips
  • Vegetables: 2 bell peppers (assorted colors), sliced into strips; 1 large red onion, sliced into thin wedges
  • Marinade & Seasoning: 3 tbsp olive oil; 2 tsp chili powder; 1 tsp ground cumin; 1 tsp smoked paprika; ½ tsp garlic powder; ½ tsp onion powder; ½ tsp salt; ¼ tsp black pepper; ¼ tsp cayenne pepper (optional, for heat)
  • To Serve: Warm tortillas (flour or corn); lime wedges; fresh cilantro, chopped; sour cream, salsa, and/or guacamole (optional)

Instructions

Preheat Oven:
Preheat oven to 425°F (220°C). Line a large rimmed baking sheet with parchment paper or foil for easy cleanup.
Mix Marinade:
In a large bowl, combine olive oil, chili powder, cumin, smoked paprika, garlic powder, onion powder, salt, black pepper, and cayenne (if using). Mix well.
Toss Chicken & Vegetables:
Add chicken strips, bell peppers, and red onion to the bowl. Toss until everything is evenly coated with the seasoning mixture.
Arrange on Pan:
Spread the chicken and vegetables in a single layer on the prepared baking sheet.
Roast:
Roast in the preheated oven for 18–20 minutes, tossing halfway through, until the chicken is cooked through and vegetables are tender with slightly charred edges.
Serve:
Serve immediately with warm tortillas, a squeeze of lime, and your favorite toppings such as cilantro, sour cream, salsa, or guacamole.
Roasted sheet-pan chicken fajitas, bursting with flavor, alongside warm tortillas and fresh cilantro. Save
Roasted sheet-pan chicken fajitas, bursting with flavor, alongside warm tortillas and fresh cilantro. | moonthyme.com

This is a recipe everyone in my family asks for again and again, especially for game nights or casual gatherings, because cleanup is a breeze and everyone gets to build their own fajitas just the way they like.

Required Tools

Large mixing bowl. Chefs knife. Cutting board. Large rimmed baking sheet. Parchment paper or foil. Tongs or spatula.

Allergen Information

Contains: None in main recipe. If serving with flour tortillas or sour cream, contains gluten and dairy respectively. Always check ingredient labels for hidden allergens.

Nutritional Information

Per serving, without tortillas and toppings. Calories: 260. Total Fat: 11 g. Carbohydrates: 10 g. Protein: 31 g.

Enjoy a delicious plate of sheet-pan chicken fajitas, featuring tender chicken and vibrant vegetables. Save
Enjoy a delicious plate of sheet-pan chicken fajitas, featuring tender chicken and vibrant vegetables. | moonthyme.com

Serve your sheet-pan chicken fajitas right from the tray for the freshest flavor. A squeeze of lime and sprinkle of cilantro brings it all together beautifully.

Recipe FAQ

What type of chicken works best for this dish?

Boneless, skinless chicken breasts or thighs sliced thinly ensure even cooking and tender bites.

Can I prepare the chicken marinade ahead of time?

Yes, marinating the chicken for up to 2 hours enhances flavor and tenderness but is optional.

What vegetables complement the chicken in this dish?

Assorted colored bell peppers and red onions provide a sweet, crisp contrast to the spiced chicken.

How can I adjust the spice level?

Modify the cayenne pepper amount or omit it entirely for milder flavors without sacrificing taste.

Are there suggested variations for this meal?

Try swapping chicken for beef strips, shrimp, or mushrooms for different textures and flavors.

Sheet Pan Chicken Fajitas

Juicy chicken and colorful peppers roasted together for an easy, flavorful weeknight meal with minimal cleanup.

Prep Time
15 min
Time to Cook
20 min
Total Duration
35 min
Created by Lydia Brooks


Skill Level Easy

Cuisine Mexican-inspired

Portions 4 Serving Size

Diet Info No Gluten, Low Carb

What You'll Need

Chicken

01 1.5 lbs boneless, skinless chicken breasts or thighs, thinly sliced

Vegetables

01 2 bell peppers (mixed colors), sliced into strips
02 1 large red onion, thinly sliced into wedges

Marinade & Seasoning

01 3 tbsp olive oil
02 2 tsp chili powder
03 1 tsp ground cumin
04 1 tsp smoked paprika
05 0.5 tsp garlic powder
06 0.5 tsp onion powder
07 0.5 tsp salt
08 0.25 tsp black pepper
09 0.25 tsp cayenne pepper (optional)

To Serve

01 Warm flour or corn tortillas
02 Lime wedges
03 Fresh chopped cilantro
04 Sour cream, salsa, and/or guacamole (optional)

How to Make It

Step 01

Preheat Oven and Prepare Baking Sheet: Preheat oven to 425°F. Line a large rimmed baking sheet with parchment paper or foil to ensure easy cleanup.

Step 02

Combine Marinade Ingredients: In a large mixing bowl, whisk together olive oil, chili powder, ground cumin, smoked paprika, garlic powder, onion powder, salt, black pepper, and cayenne pepper if using.

Step 03

Marinate Chicken and Vegetables: Add the chicken strips, bell peppers, and red onion to the bowl. Toss steadily until all components are evenly coated with the seasoning blend.

Step 04

Arrange on Baking Sheet: Spread the seasoned chicken and vegetable mixture in a single, even layer onto the prepared baking sheet.

Step 05

Roast Ingredients: Place the baking sheet in the preheated oven and roast for 18 to 20 minutes, tossing the contents halfway through to promote even cooking, until the chicken reaches a safe internal temperature and vegetables show tender, lightly charred edges.

Step 06

Serve: Immediately transfer to plates and accompany with warm tortillas, lime wedges, and optional toppings such as cilantro, sour cream, salsa, or guacamole.

Tools Needed

  • Large mixing bowl
  • Chef's knife
  • Cutting board
  • Large rimmed baking sheet
  • Parchment paper or aluminum foil
  • Tongs or spatula

Allergen Details

Review every ingredient for allergens and ask a medical professional when unsure.
  • No inherent allergens in the main preparation. Contains gluten if served with flour tortillas and dairy if sour cream is added. Verify ingredient labels for hidden allergens.

Nutrition Details (each serving)

These details are for reference only, and shouldn't replace healthcare advice.
  • Energy: 260
  • Fats: 11 g
  • Carbohydrates: 10 g
  • Proteins: 31 g