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    Home » Recipes » Main Dishes

    By Kaleigh McMordie - June 24, 2020, Updated July 15, 2022

    Easy Grilled Chicken Fajitas

    Jump to Recipe·Print Recipe
    easy grilled chicken fajitas

    These easy grilled chicken fajitas with a simple marinade and skillet bell peppers and onions are a delicious way to get your Mexican food fix at home that can be cooked entirely on the grill! (gluten-free, dairy-free)

    grilled chicken fajita tacos on a pan with bell peppers and avocado.

    What is your go-to dish when you eat at your favorite Mexican restaurant? Mine is always, always fajitas. No matter how good the rest of the menu looks, I just can't be swayed away from a good classic. Since my husband and I both love fajitas, we have been making them at home for years. It's pretty simple to grill the meat, cook some veggies and have a little Tex-Mex dinner right in your own home! 

    easy grilled chicken fajitas on a skillet with bell peppers, cilantro, lime, and avocado.

    Why You'll Love These Grilled Chicken Fajitas

    I know there are tons of fajita recipes out there. But IMHO, these are absolutely the best. First, because they're grilled. The flavor just isn't the same without the grill. It allows the chicken to get nice and juicy on the inside with a flavorful outside that you slice after cooking, for way better results. All while cooking the onions and peppers in a skillet on the grill. Cooking them separately allows you to cook each element to the perfect doneness before mixing the chicken with the veggies. 

    Second, they're super easy. The marinade is super simple, and the entire meal can be cooked outside on the grill, which means less work and less cleanup. Finally, they're served right in the skillet to keep them warm, for an experience a little bit closer to your favorite restaurant.

    how grilled chicken fajitas are made using seasonings.

    How To Make Easy Grilled Chicken Fajitas

    1. Mix the marinade right in the dish you'll marinate the chicken in. Make sure the chicken filets are sliced about ½ inch thick, and coat them in the marinade. Let the chicken soak up all the flavor in the fridge for at least 30 minutes.
    2. Meanwhile, slice the bell peppers and onions to even thickness (about ¼ inch). 
    3. Heat the grill to high heat and let it get nice and hot, then turn it down to medium low. Add the chicken and let it cook 5-7 minutes per side, flipping once, until the internal temperature reaches 165°F. 
    4. While the chicken cooks, add the skillet to the grill with the oil. Add the peppers and onions, stirring occasionally, until they are soft. About halfway through cooking, stir in the worcestershire sauce.
    5. Remove the chicken from the grill, slice thinly, and add it into the skillet with the peppers and onions. 
    6. Serve directly from the skillet on a hot pad on the table for the most restaurant-like experience, with warm corn tortillas and toppings of your choice!
    how to make easy chicken fajitas.
    easy grilled chicken fajitas in a skillet.

    Tips For Making The Best Chicken Fajitas

    • Make sure your chicken is even thickness for evenly cooked chicken. Once you place it on the grill, don't disturb it until grill lines appear to avoid sticking. Also, I highly recommend a meat thermometer to ensure the chicken is cooked through without drying it out.
    • You can wrap the tortillas in foil and place them on the top rack (or over indirect heat) on the grill to warm while everything cooks.
    • Slice peppers and onions to even thickness to make sure they are evenly cooked. 
    • If you don't have a grill, you can cook these inside in a grill pan or skillet in the oven. Preheat the grill pan or skillet on the stove to get it nice and hot, then sear the chicken for about 2-3 minutes per side. Finish in the oven at 350°F until the chicken is cooked through. Cook the peppers and onions in a skillet on the stovetop, then slice the chicken and add to the skillet with peppers and onions.

    What Should I Serve With Chicken Fajitas?

    • We like to make a little topping plate with shredded cheese, sour cream, pico de gallo, and guacamole.
    • Rice and beans are always good, classic side dishes for fajitas. Try my pinto beans, or my easy refried black beans!
    • And of course, no Tex-Mex meal is complete without chips, salsa, and a good margarita!
    close up of easy grilled chicken fajitas in a skillet.

    Can Leftover Fajitas Be Reheated?

    Absolutely! I'm all for eating your leftovers. But there is a right way and a wrong way to reheat them. Don't microwave them. Microwaved chicken is no bueno. I like the reheat leftover fajitas in a cast iron skillet (or you can use a nonstick skillet) on the stove until they are warmed through. Leftover fajitas can be stored in an airtight container in the refrigerator for 3-4 days. 

    Ingredient Substitutions

    • If you prefer beef fajitas, this recipe can definitely be used with beef! I recommend skirt steak, and keeping the grill on medium-high heat to sear it. Steak is done when the internal temperature reaches 145°F.
    • If you don't have chipotle powder, smoked paprika is nice to still get a smoky flavor. I don't love regular chili powder in fajitas, but it will work in a pinch. If you're using regular chili powder, reduce the amount to ¼ tsp.
    • You can use ½ teaspoon garlic powder in place of fresh garlic.
    • I prefer Mexican oregano in Mexican recipes, but regular (Greek) oregano also works.
    • If you're gluten-free, make sure your worcestershire sauce is gluten-free. You can also just omit it if you'd like. Corn tortillas are naturally gluten-free, but flour tortillas are not.
    • I love a lot of veggies in my fajitas. If you do too, add an additional ½ onion and ½ bell pepper.

    Did you make this recipe? Please leave a star rating in the comments!

    Print

    Easy Grilled Chicken Fajitas

    overhead view of chicken fajitas with peppers and onions in a skillet.
    Print Recipe

    These easy grilled chicken fajitas with a simple marinade and skillet bell peppers and onions are a delicious way to get your Mexican food fix at home that can be cooked entirely on the grill! (gluten-free, dairy-free)

    • Author: Kaleigh
    • Prep Time: 10 minutes
    • Cook Time: 15 minutes
    • Total Time: 1 hour (includes marinating)
    • Yield: 4 servings 1x
    • Category: main dish
    • Method: grilled
    • Cuisine: Tex-mex

    Ingredients

    Scale

    For the chicken:

    • 1 lb boneless, skinless chicken breast filets
    • 1 clove garlic, minced
    • ½ tsp chipotle powder
    • ½ tsp cumin powder
    • ½ tsp Mexican oregano
    • ½ tsp sea salt
    • ½ tsp freshly cracked black pepper
    • 2 tsp olive oil
    • Juice of 1 lime

    For the veggies:

    • 1 small onion, sliced
    • 1 medium bell pepper, sliced
    • 1 tsp olive oil
    • 2 tsp worcestershire sauce

    For serving:

    • 8 warm corn tortillas
    • Guacamole or sliced avocado
    • Plain Greek yogurt or sour cream
    • Salsa or pico
    • Shredded cheese

    Instructions

    1. In a large bowl or other container, mix garlic, chipotle powder, cumin, oregano, salt, pepper, lime juice and oil. Add the chicken and stir to coat. Marinate for at least 30 minutes in the refrigerator.
    2. Heat grill to high to preheat. Turn down to low just before adding chicken. Place chicken on the grill and cook 5-7 minutes per side, or until grill lines appear and internal temperature reaches 165°F.
    3. While chicken is cooking, cook the peppers and onions. Place a cast iron skillet directly on the grill. Add oil, peppers, and onions and cook, stirring occasionally, until soft. Add worcestershire sauce about halfway through.
    4. Remove chicken from the grill and slice thinly. Add to the skillet with the peppers and onions before serving.
    5. Serve fajitas with warmed corn tortillas and toppings of your choice.

    Notes

    • Make sure your chicken is even thickness for evenly cooked chicken. Once you place it on the grill, don't disturb it until grill lines appear to avoid sticking. Also, I highly recommend a meat thermometer to ensure the chicken is cooked through without drying it out.
    • You can wrap the tortillas in foil and place them on the top rack (or over indirect heat) on the grill to warm while everything cooks.
    • Slice peppers and onions to even thickness to make sure they are evenly cooked.
    • If you don't have a grill, you can cook these inside in a grill pan or skillet in the oven. Preheat the grill pan or skillet on the stove to get it nice and hot, then sear the chicken for about 2-3 minutes per side. Finish in the oven at 350°F until the chicken is cooked through. Cook the peppers and onions in a skillet on the stovetop, then slice the chicken and add to the skillet with peppers and onions.

    Keywords: easy grilled chicken fajitas, skillet chicken fajitas, healthy chicken fajitas recipe

    Did you make this recipe?

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    This post may contain affiliate links, which means I earn a small commission off of your purchase with no extra cost to you. Please read my affiliate disclosure for more information.

    About Kaleigh McMordie

    Kaleigh McMordie, MCN, RDN, LD, is a Registered Dietitian and Licensed Dietitian in Abilene, Texas, as well as a member of the Baby Led Weaning Dietitians Network. Kaleigh can be found at kaleighmcmordie.com.

    Reader Interactions

    Comments

    1. nutritioulicious says

      April 28, 2016 at 9:32 am

      Fajitas are one of my faves at Mexican restaurants (although my go-to are interesting taco combos!). I really need to get a cast-iron skillet asap!

      Reply
      • Kaleigh M says

        April 28, 2016 at 4:28 pm

        Fajitas are my all-time fave, but I can be swayed by fish tacos sometimes! 🙂 Yes you do! They are pretty inexpensive, but I'm giving one away soon if you want to enter!

        Reply

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