Crockpot Chicken Fajitas

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Your weeknight dinner solution is here! These Crockpot Chicken Fajitas pack delicious fajita veggies + perfectly cooked chicken breasts + flavorful fajita seasonings.

Everything is cooked in the crockpot itself, making this the easy dinner of your dreams.

Chicken fajita tacos on a plate with limes and sour cream.

This crockpot chicken fajita recipe is seriously a one pot, set it and forget it recipe! You’ll place all your ingredients in the crockpot (including this flavorful homemade fajita seasoning!) and cook on high for 2 hours or low for 6 hours, and voila! Chicken fajitas are served! If you’re looking for an easy weeknight din, this is it.

“Awesome and simple recipe. Easy to store and eat throughout the week. The recipe recommends serving with tacos, but I’ve enjoyed serving with rice.” – Matt

What You Need for Crockpot Chicken Fajitas

Chicken breast: we love using whole chicken breasts for crockpot chicken fajitas because they cook perfectly in the slow cooker and come out super moist.
Peppers & onions: any variety of bell peppers and onion will work for this recipe! We love using one red pepper, green pepper, yellow pepper and red onion for pops of color, but feel free to use whatever variety you prefer.
Fajita seasoning: we always recommend using our homemade fajita seasoning, but you’re more than welcome to sub a store-bought fajita seasoning packet instead.
Salsa: these slow cooker chicken fajitas call for a cup of your favorite salsa. Feel free to use your favorite kind (mild, medium, or hot).

Tips for Perfect Crockpot Chicken Fajitas

A crock pot filled with peppers and onions.

FAQs

Can you put frozen chicken in the crockpot?

According to food safety laws, we do not recommend putting frozen chicken in your crockpot. It will likely take too long for the chicken to fully thaw and cook in a safe amount of time to avoid e-coli and other foodborne illnesses.
Does taco seasoning work on chicken?

Can you freeze crockpot chicken fajitas?

To freeze, place all ingredients raw into a gallon-size plastic bag and remove as much air as possible. Seal and freeze for up to 3 months. When you’re ready to cook, thaw completely and follow the instructions in this recipe card.

Does fajita seasoning work well on chicken?

Fajita seasoning works well on many varieties of meat and veggies, including chicken. You’ll love the flavor enhancing qualities of this fajita seasoning when used on chicken.

More Fajita Recipes

Chicken tacos with peppers and sour cream.

Toppings for Fajitas

Feel free to make this recipe your own, and add your favorite fajita toppings. You’ll find us serving our crockpot chicken fajitas with the following (depending on what we have on hand):

Shredded cheese or crumbled cotija
Lettuce or cabbage
Greek yogurt
Diced onion
Diced tomato
Cilantro
Sliced avocado or guacamole
Salsa
Squeeze of lime juice

Chicken tacos with peppers and sour cream on a plate.

How to Serve Fajitas

No need to stick with the traditional hard or soft shell taco if you’re looking for a low carb or GF option instead! These crockpot chicken fajitas are great in so many different ways, like:

4 tablespoons fajita seasoning separated
1.5 lbs. boneless skinless chicken breasts
3 large bell peppers any color, sliced
1 large yellow onion sliced
1 tablespoon avocado oil
1 teaspoon kosher salt
1 cup salsa any kind
2 tablespoons fresh lime juice

Fajita fixings

8-10 flour street taco tortillas
½ cup chopped fresh cilantro
Sour cream to taste

Season the chicken breasts with 2 tablespoons of fajita seasoning. Massage the dry rub into the chicken and let it rest for 10 minutes.
Toss the peppers and onions with 1 tablespoon of avocado oil and the remaining fajita seasoning.
Transfer the chicken to the slow cooker and place the peppers and onions on top of the chicken.
Add the salt and salsa to the slow cooker and toss.
Cover the slow cooker and cook everything for 2 hours on high or 4-6 hours on low. Toss the peppers and onions (if possible) halfway through the cooking time.
When the chicken’s internal temperature is 165ºF remove the chicken from the slow cooker. Slice into thin strips and add it back into the slow cooker. Toss with the peppers, onions, and sauce.
Turn the heat on the slow cooker to warm and let the chicken soak up the sauce for 10-15 minutes.
Add fresh lime juice, toss, and serve with your favorite fajita fixings.

This recipe was updated 8/2023. For the original recipe, please see HERE.
Chicken thighs can be used instead of chicken breasts.
You can use a store-bought fajita seasoning or a homemade fajita seasoning.
If you would like to add spice to this recipe add 1-2 tablespoons of diced jalapenos, ½ teaspoon of cayenne pepper, or use spicy salsa.
Feel free to use corn tortillas instead of flour.

Calories: 329kcal Carbohydrates: 29g Protein: 30g Fat: 10g Fiber: 4g Sugar: 6g

Photography: photos taken in this post are by Ashley McGlaughlin from The Edible Perspective.

About Emily Richter

Emily is Fit Foodie Finds’ editor-in-chief. She has a masters in business and communication and a passion for food. She is an incredible at-home cook making her writing an important part of the content creation process.

Crockpot Chicken Fajitas originally appeared on FitFoodieFinds.com