Keto Dinner

Keto Chicken Fajitas Skillet

This Keto Chicken Fajitas recipe is a perfect go-to recipe for an easy dinner the entire family loves. This recipe is gluten-free, keto-friendly, low-carb, and ready in just about 30 minutes.

Keto Chicken Fajitas with toppings in bowls off to the side

Who doesn’t love fajitas?! They’re such an easy dinner option but for some reason, fajitas often get overlooked as a make at home meal option. We’re here to change that with our easy Keto Fajitas! Our fajitas are packed with onions and bell peppers, and chicken. Either chicken thighs or chicken breasts will both work, use your favorite.

You could even make this into a sheet pan-style dinner if you want a more hands-off approach.

Read on for the details on how to make the best Keto Chicken Fajitas at home.

Ingredients in Keto Chicken Fajitas

  • 2 tablespoons avocado oil – don’t use olive oil as it won’t be able to handle the heat to char the chicken
  • 2 tablespoons unsalted butter (you can use all avocado oil or all butter if you’d like)
  • 1 pound boneless skinless chicken breasts, cut into strips
  • 1 medium onion, thinly sliced
  • ½ green bell pepper, thinly sliced
  • ½ red bell pepper, thinly sliced
  • ½ yellow bell pepper, thinly sliced
  • ½ orange bell pepper, thinly sliced
  • 1 jalapeño or serrano, thinly sliced (optional)
  • 1 Roma tomato, quartered and seeded (optional)
  • 1 1/2 tablespoons CIK taco seasoning
  • Sea salt, to taste

A note on the taco seasoning – we used our taco seasoning here as the fajita seasoning. You can use any taco seasoning blend you like!

A note on modifications – if dairy-free, use all avocado oil instead of butter. If Whole30, do the same and leave out the butter. Yes, you can use steak, shrimp, salmon or a white fish, or even our carnitas in this recipe in place of chicken. The method would be the same, sear the protein then cook the veggies bringing it all back together at the end.

Homemade Taco Seasoning in glass jar

How to make Keto Fajitas

  1. Heat a 10″ or larger cast-iron skillet over medium-high heat. Add in 1 tablespoon of avocado oil and 1 tablespoon of butter.
  2. Season the chicken strips liberally with taco seasoning. Working in batches, add the chicken to the skillet in a single layer. Cooking for 2-3 minutes on each side until browned and slightly charred. After all of the chicken is cooked through, remove from the skillet and set aside. 
  3. Add the remaining avocado oil and butter to the skillet. Add in the onion, bell peppers, hot pepper (if using), and tomato (if using). Season with remaining taco seasoning to taste. Cook until bell peppers are softened, and onions are translucent, about 7-10 minutes.
  4. Add the chicken back to the skillet to warm through. Adjust seasonings to taste. Serve hot with lime slices, sour cream, avocado, pico, and lettuce wraps. 
lettuce wrapped fajita on a white plate

What to serve with low-carb and Keto fajitas

Here are some topping options:

  • sour cream
  • pico de gallo
  • salsa verde
  • avocado or guacamole
  • diced onion, cilantro, and lime
  • shredded cheese
  • queso
  • fresh lime juice

Keto tortilla options:

  • lettuce wraps
  • low-carb tortillas
  • jicama tortillas

Here are some side dish options:

NUTRITIONAL INFORMATION

You .can find the full nutrition info breakdown including the carb count (total carbs and net carbs) for these fajitas at the bottom of the recipe card. All values are listed per serving. The serving size/yield is at the top of the recipe card near the cooking time. You should always double-check your ingredients since different ingredients may have different values.

To get a specific serving size you’ll want to weigh the final dish. Next, divide the total weight by the number of servings. We can’t provide this information as your cooking style will vary from ours. Your ingredients may be different brands than ours too which can skew values.

TOOLS WE USED TO MAKE THIS RECIPE

LOVE THESE KETO CHICKEN FAJITAS? LEAVE A REVIEW AND ⭐ RATING BELOW!

Keto Chicken Fajitas in a cast iron skillet

Looking for more Mexican low-carb recipes and/or keto recipes? Check these out 👇

Keto Chicken Fajitas with toppings in bowls off to the side

Print

Keto Chicken Fajitas

This Keto Chicken Fajitas recipe is a perfect go-to recipe for an easy dinner the entire family loves. This recipe is gluten-free, keto-friendly, low-carb, and ready in just about 30 minutes. Made with peppers, onions, chicken, and spices.
Course Main Course
Cuisine Mexican
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings 4
Calories 274kcal

Ingredients

  • 2 tablespoons avocado oil
  • 2 tablespoons unsalted butter
  • 1 pound boneless skinless chicken breasts cut into strips
  • 1 medium onion thinly sliced
  • ½ green bell pepper thinly sliced
  • ½ red bell pepper thinly sliced
  • ½ yellow bell pepper thinly sliced
  • ½ orange bell pepper thinly sliced
  • 1 jalapeño or serrano thinly sliced (optional)
  • 1 Roma tomato quartered and seeded (optional)
  • 1 1/2 tablespoons taco seasoning
  • Sea salt to taste

Instructions

  • Heat a 10″ or larger cast-iron skillet over medium-high heat. Add in 1 tablespoon of avocado oil and 1 tablespoon of butter.
  • Season the chicken strips liberally with taco seasoning. Working in batches, add the chicken to the skillet in a single layer. Cooking for 2-3 minutes on each side until browned and slightly charred. After all of the chicken is cooked through, remove from the skillet and set aside.
  • Add the remaining avocado oil and butter to the skillet. Add in the onion, bell peppers, hot pepper (if using), and tomato (if using). Season with remaining taco seasoning to taste. Cook until bell peppers are softened, and onions are translucent, about 7-10 minutes.
  • Add the chicken back to the skillet to warm through. Adjust seasonings to taste. Serve hot with lime slices, sour cream, avocado, pico, and lettuce wraps.

Nutrition

Calories: 274kcal | Carbohydrates: 7g | Protein: 25g | Fat: 16g | Saturated Fat: 5g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 7g | Trans Fat: 1g | Cholesterol: 88mg | Sodium: 212mg | Potassium: 627mg | Fiber: 2g | Sugar: 4g | Vitamin A: 1481IU | Vitamin C: 87mg | Calcium: 21mg | Iron: 1mg

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