Sheet Pan Chicken Fajitas

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These chicken fajitas are the perfect weeknight dinner. They’re tasty, healthy, and can be on your table in under an hour. 

You can even prep these ahead of time to make this recipe even easier. Plus, these fajitas are made on just one sheet pan, so cleanup is a breeze!

Recipe Highlights

• Total time to prepare and cook is only 40-45 minutes
• Tender, juicy chicken thighs are packed with flavor
• Low carb variation available
• Whole30 variation available
• Paleo variation available
• Gluten-free variation available
• Family favorite

Ingredients for Sheet Pan Chicken Fajitas

Here’s what you’ll need to prepare this chicken fajita meal. You can find recipe variations following the list below. 

Ingredients

• 1 pound boneless, skinless chicken thighs
• 1 tablespoon olive oil
• 1 teaspoon garlic powder
• 1 teaspoon cumin
• 1 teaspoon onion powder
• ½ teaspoon smoked paprika
• ½ teaspoon brown sugar
• ¼ teaspoon chili powder
• ¼ teaspoon salt
• ¼ teaspoon black pepper
• 1 red bell pepper
• 1 green bell pepper
• 1 yellow bell pepper
• ½ medium red onion
• 2 tablespoons olive oil

Optional Garnishes:

• Cilantro
• Lime wedges

Serve With:

• Flour tortillas, optional

Variations

• Chicken breast can be used in place of chicken thighs. However, I find that chicken thighs are easier as they don’t dry out as quickly. If using a chicken breast, consider baking it whole and slicing it just before serving. 
• If you don’t want to gather all of the spices listed here, you can use a packet of fajita seasoning instead.
• You can add more vegetables to this recipe. 
• Make this recipe low-carb, Paleo, and Whole30 compliant by omitting the brown sugar and flour tortillas. 
• Make this recipe gluten-free by using gluten-free seasoning and using corn tortillas when serving. 

Instructions

Follow these easy instructions to get these chicken fajitas on your table!

Step One

Preheat your oven to 400?.

Step Two

Slice the chicken thighs into thin (about 1”) strips. Drizzle the chicken strips with olive oil. Mix all the seasonings and season the chicken, and coat it evenly. Set the chicken aside to marinate while you move on to the next steps. 

Tip: cut the chicken against the grain for more tender strips. 

Step Three

Slice the peppers and onions into long, thin strips.

Step Four

Add the chicken to one outside edge of your sheet pan in a single layer. Add the onions and peppers to the pan in a single layer as well.

Tip: Be careful not to overcrowd your ingredients in a sheet pan meal. This will cause them to steam instead of roast and some ingredients may not cook all the way through. If you need to, it’s better to use two sheet pans than to overcrowd. 

Step Five

Drizzle the remaining olive oil over the bell peppers and onions. Toss them to coat evenly.

Step Six

Bake the fajitas for 25-30 minutes or until the chicken is cooked thoroughly and the vegetables are tender. 

Tip: you can use the broil setting during the last few minutes to caramelize your vegetables and boost the flavor.

Note: Chicken is done when it has reached an internal temperature of 165?. You can test the chicken with a meat thermometer to be sure it has been cooked long enough. 

Step Seven

If serving with tortillas, wrap the tortillas in aluminum foil and place them in the oven for about five minutes while the fajitas are cooking. Unwrap the tortillas from the foil when ready to serve. 

Step Eight

Garnish your chicken fajitas with fresh cilantro and lime and enjoy!

What to Serve With Chicken Fajitas

The great thing about this recipe is that it can be served on its own. You can throw in some flour tortillas while you’re preparing the fajitas and have a whole meal already. 

If you’re wanting to serve this dish up with some sides, here are some good options:

• Flour or corn tortillas
• Beans
• Rice
• Salad
• Chips and salsa
• Corn

How to Store Sheet Pan Fajitas

If you have any leftovers, you can store them in the fridge. Place any leftover fajitas in an airtight container and consume within 2-3 days. 

Freeze and Make Ahead Instructions

Freezing Tips

I don’t recommend freezing the leftovers or the cooked recipe. The tender vegetables probably won’t hold up very well. 

However, you can certainly prep the chicken and vegetables ahead of time and freeze them for later. Sliced and marinated chicken can be frozen and taken out to thaw when ready to make the recipe. Likewise, you can slice and freeze the vegetables separately and take them out when you’re ready to bake them. 

Make Ahead Tips

You can certainly make this recipe ahead of time and warm it up in the oven or microwave before serving. 

You can also prep the chicken by slicing and seasoning it up to a day in advance of making the recipe. The vegetables can be chopped and stored in the fridge for up to 3 days.  

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