Chicken Fajitas

Prep Time 15 minutes
Cook Time 30 minutes
Marinating/Resting Time 35 minutes
Total Time 1 hour 20 minutes
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This easy skillet Chicken Fajitas recipe delivers perfectly seasoned, juicy chicken with sweet, tender onions and bell peppers every time! Taco Tuesday just got a whole lot better!

Overhead shot of three chicken fajitas in flour tortillas on a wooden serving board.

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Why Youโ€™ll Love This Chicken Fajita Recipe

So whatโ€™s this chicken fajitas recipe got going for it? Well, just about everything! Here are a few reasons you’ll love making these juicy chicken fajitas:

  • Ultra-Flavorful: Chicken fajitas are a mouthwatering blend of marinated chicken that is cooked with bell peppers and tender, caramelized onions. Wrap them up in a tortilla, with all your favorite toppings, and each bite will be exploding with flavor!
  • Customizable: As with any tacos, you can personalize your fajitas with toppings like salsa, guacamole, sour cream, and cheese. Keep it simple or make it fancy – it’s up to you.
  • Quick: This chicken fajita recipe is actually pretty quick and easy to prepare, making them a perfect choice for busy weeknights. If you add your chicken to marinade in the morning, it’s ready for a quick dinner whenever you are!

If you love chicken fajitas, make sure to also check out my easy recipe for sheet pan chicken fajitas and this air fryer chicken fajita salad! And be sure to check out the best chicken fajita marinade for any of these awesome variations.

Ingredients for homemade chicken fajitas, arranged on a work surface with a cloth napkin.

What You’ll Need

Here’s the list of what you’ll need to get chicken fajitas on your table tonight! Scroll down to the recipe card for exact amounts.

For the Fajitas

  • Fajita Marinade: I use one batch of this chicken fajita marinade.
  • Chicken: Boneless, skinless chicken breasts, or thighs if you prefer.
  • Butter: Or oil, like avocado oil.
  • Veggies: We like to use strips of bell peppers and onions.

To Serve

  • Tortillas: Flour tortillas or corn tortillas, whichever you like.
  • Pico de Gallo: Or your favorite salsa.
  • Sour Cream: Mexican crema is also great if you have it!
  • Cheese: Shredded cheese, queso, or crumbled Mexican cheese like queso fresco.
  • Guacamole: Or sliced fresh avocado.
  • Cilantro
A skillet of chicken fajitas garnished with cilantro.

How Should You Cut Chicken for Fajitas?

Essentially, you want the chicken cut into thin strips. To do this, I butterfly chicken breasts so that each one is thin, and then marinate and cook them. After they are cooked, I use a sharp, clean knife to cut the cooked chicken into thin strips and then toss them back into the skillet with the onions and peppers.

Three fajitas in flour tortillas on a wooden board.

How to Make Chicken Fajitas

The process here is oh-so-simple, but make sure to set aside at least 20 minutes for marinating. It really adds a ton of flavor. Check out the recipe card at the end of this post for detailed instructions.

  • Marinate the Chicken: Butterfly the chicken breasts horizontally to make them thinner. Poke holes in both sides with a knife, and marinate in an airtight container in the refrigerator, for at least 20 minutes or up to 12 hours.
  • Sear the Chicken: Melt some butter in a skillet, and cook chicken for 4 minutes on each side until well seared. Finally, add two tablespoons of the reserved marinade to the skillet, and cook for 6 more minutes, or until the chicken is fully cooked. Set the chicken aside.
  • Cook the Vegetables: In the same skillet, cook the onions in a couple of tablespoons of butter, until they are translucent. Add the bell peppers, and cook for 8 more minutes, or until tender.
  • Finish the Dish: Slice the cooked chicken into strips, return it to the skillet, and mix with peppers and onions. Turn off the heat.
  • Enjoy: Serve the chicken fajitas in tortillas, with all of your favorite toppings.
Overhead shot of a skillet of fajitas with peppers and onions.

Helpful Tips and Variations

These chicken fajitas are super simple to make, but here are a few tips and variations to help guarantee success!

  • Dark Meat: You can also use chicken thighs for this recipe. Thighs may take a minute or two longer to become tender in the skillet, and they may release more liquid. For the ultimate juicy and tender chicken thighs, aim for an internal temp between 175ยฐF and 185ยฐF.
  • Bell Peppers: I like to use red, yellow, or orange bell peppers in my fajitas. Green bell peppers have a stronger, more peppery, savory flavor to them. Red, orange, and yellow bell peppers tend to be sweeter and milder.
  • Rice Bowl: This dish is also great served over hot rice, for a tasty burrito-bowl-style meal try serving these fajitas over my cilantro lime rice or Mexican rice. A little drizzle of cilantro lime dressing will take them to the next level!
  • Don’t Over Marinate: Since the marinade used in this recipe has fresh citrus juice, be careful not to over marinate your chicken. If left in acidic citrus juice too long, chicken can start to break down and become tough, rubbery and sometimes even mushy. 2 to 3 hours is the perfect amount of marinating time, but just don’t go over 12 hours!
Overhead shot of a skillet of fajitas made with chicken and vegetables.

How to Store and Reheat Chicken Fajitas

  • Store: Let the chicken fajitas cool, and then store the chicken in an airtight container. (Store any toppings and tortillas separately.) Refrigerate for up to 4 days.
  • Reheat: Place the chicken in a skillet over medium heat and cook until just heated through. Don’t overcook it, or the chicken will dry out. 
  • Freeze: You can cook and freeze the chicken and veggies in freezer bags for up to three months. Thaw in the fridge before reheating.

Want an easy dinner again next month? Double this recipe, and freeze the second batch of raw chicken in the fajita marinade in a ziplock bag for up to 3 months! Thaw the chicken in the refrigerator the day before youโ€™re ready to cook, and be sure to cook it within 24 hours after defrosting.

Fajitas with chicken served in flour tortillas.

More Bold Chicken Dinners

Landscape shot of chicken fajitas served in flour tortillas.
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Chicken Fajitas

This easy skillet Chicken Fajita recipe delivers perfectly seasoned, juicy chicken with sweet, tender onions and bell peppers. Taco Tuesday just got a whole lot better!
Prep Time15 minutes
Cook Time30 minutes
Marinating/Resting Time35 minutes
Total Time1 hour 20 minutes

Ingredients

For the Fajitas:

  • 1 recipe chicken fajita marinade
  • 1.5 pounds boneless skinless chicken breasts, or thighs
  • 4 tablespoons butter, or oil, divided
  • 2 bell peppers, large, seeded and cut into strips
  • 1 yellow onion, large, cut into strips

For Serving:

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Instructions 

  • Butterfly the chicken breasts in half so that theyโ€™re thinner, they will cook quickly and more evenly this way. (Slice the chicken breast in half from the side of the breast as if youโ€™re cutting open a bagel, so that the chicken is about 1/2 an inch thick. If you have 3 breasts you should now have 6 thin chicken breasts.)
  • Take a steak knife and poke several holes through the chicken on both sides, this will allow your marinade to get into the chicken so that itโ€™s extra flavorful. Place chicken breasts in marinade in an airtight container and refrigerate for 20 minutes minimum, or 2 to 3 hours for best results. (Chicken can be marinated for up to 12 hours.)
  • Once chicken has marinated, remove from the refrigerator and remove chicken from the marinade (reserve the marinade) and let chicken sit out for 15 minutes before cooking to warm up.
  • In a cast iron skillet over medium-high heat, add 2 tablespoons butter and let melt. Add chicken, cooking for about 4 minutes on each side. Let the chicken cook undisturbed for the first few minutes, until you have a good sear. Once seared well on one side, turn the pieces over and cook for another 2 to 3 minutes until well seared on the second side.
  • Add 2 tablespoons of reserved marinade and continue cooking for about 6 minutes, until chicken is cooked through and reaches an internal temperature of 165ยฐF on an instant-read meat thermometer. Remove chicken from skillet and keep warm on a plate wrapped with foil.
  • Add remaining 2 tablespoons butter and onions to the same skillet and cook for 6 minutes, until they become translucent.
  • Add bell pepper, and sautรฉ until bell peppers are tender, but still have texture, about 8 minutes.
  • Slice chicken breasts into strips and add chicken back to skillet and toss to combine with bell peppers and onions. Turn off heat.
  • Serve chicken fajitas immediately, as desired, or in tortillas with all your favorite toppings!

Notes

Storing: To store, let the chicken fajitas cool, and then store the chicken in an airtight container. (Store any toppings and tortillas separately.) Refrigerate for up to 4 days.
Reheating: To reheat, place the chicken in a skillet over medium heat and cook until just heated through. Don’t overcook it, or the chicken will dry out.ย 
Dark Meat: You can also use chicken thighs for this recipe. Thighs may take a minute or two longer to become tender in the skillet, and they may release more liquid. For the ultimate juicy and tender chicken thighs, aim for an internal tempย between 175ยฐF and 185ยฐF.
Bell Peppers: I like to use red, yellow, or orange bell peppers in my fajitas. Green bell peppers have a stronger, more peppery, savory flavor to them. Red, orange, and yellow bell peppers tend to be sweeter and milder.
Donโ€™t Over Marinate: Since the marinade used in this recipe has fresh citrus juice, be careful not to over marinate your chicken. If left in acidic citrus juice too long, chicken can start to break down and become tough, rubbery and sometimes even mushy. 2 to 3 hours is the perfect amount of marinating time, but just donโ€™t go over 12 hours!
Nutrition Note: Nutrition facts are estimates only for the chicken, onion and bell peppers, it does not include the optional toppings and tortillas.ย 

Nutrition

Calories: 334kcal, Carbohydrates: 9g, Protein: 37g, Fat: 16g, Saturated Fat: 8g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 4g, Trans Fat: 0.5g, Cholesterol: 139mg, Sodium: 291mg, Potassium: 855mg, Fiber: 2g, Sugar: 6g, Vitamin A: 2321IU, Vitamin C: 94mg, Calcium: 25mg, Iron: 1mg

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Jessica
For the past 15 years, Jorge & Jessica have loved getting to share their families' favorite recipes with all of you. They live in Florida with their 3 kids.