Who says you can't relish Mexican food on a keto journey? Our Keto Chicken Fajitas recipe features juicy chicken, crunchy bell peppers, and caramelized onions. It's a one-pan dish, perfect for meal prepping. So, let's dive straight into the recipe!

Jump to:
- Preparation and cooking overview
- Chef's note
- 🥘 Ingredients for this keto chicken fajitas recipe
- Ingredient substitutions
- Additional ingredients
- Cooking tools required
- Tools substitute options
- How to make Keto Chicken Fajitas: step-by-step guide
- Cooking methods
- Preparation steps
- Cooking instructions
- What to serve with low-carb chicken fajitas?
- How to make it healthier?
- Time-saving tips
- What can I prepare ahead of time?
- Storage and reheating instructions
- Recipe wrap-up and conclusion
- Frequently asked questions
- 📖 Recipe
Preparation and cooking overview
In just 45 minutes, you can prepare and cook these delicious fajitas using a single pan. Simply mix the spices with olive oil, lemon juice, and minced garlic. Coat the chicken and sliced veggies with the mixture, and bake them in the oven for a few minutes until tender.
Chef's note
Feel free to tweak the seasonings of this recipe to your liking. If you enjoy a spicy kick, add a dash of cayenne pepper or sprinkle some smoked paprika into the spice mixture. And for a tasty chicken, marinate the sliced chicken breasts in the seasoning mix for 30 minutes to 1 hour before cooking. It might take a little patience, but the result will be worth it!
🥘 Ingredients for this keto chicken fajitas recipe
You will need a few kitchen staples and a handful of aromatics to make low-carb chicken fajita at home.

Ingredient substitutions
Additional ingredients
Here are some optional ingredients that go well with this recipe:

Cooking tools required
To make this Keto Chicken Fajitas recipe, you will need the following cooking tools:
Tools substitute options

How to make Keto Chicken Fajitas: step-by-step guide
Cooking methods
Preparation steps
- Gather all the ingredients needed for this recipe.
- Measure the ingredients in the right quantities.
- Slice up your chicken breasts into even-sized strips.
- Slice your bell peppers and red onion.
Cooking instructions
- In a small bowl, prepare the spice mixture. Combine olive oil, lime juice, minced garlic, chili powder, ground cumin, paprika, dried oregano, salt, and black pepper. Stir until well mixed.
- Preheat the cast-iron skillet in the oven to 425°F (220°C).
- Carefully remove the hot cast-iron skillet from the oven.
- Arrange the chicken strips, bell peppers, and onion in the skillet.
- Next, pour the seasoning mixture over the ingredients. Toss everything together to coat the meat and veggies evenly.
- Spread everything out in a single layer on the skillet.
- Then, bake in the preheated oven for about 35 minutes or until the chicken and the vegetables are tender.
- Stir halfway through the cooking time to ensure even cooking.
- Once cooked, transfer the fajitas to a serving plate, garnish with fresh herbs, and enjoy.





Chef's pro tip
To ensure even cooking, slice the chicken, bell peppers, and onions into uniform pieces before baking them together. During the cooking process, resist the temptation to stir the ingredients too frequently. Instead, let them cook undisturbed to develop a delightful caramelized edge.
What to serve with low-carb chicken fajitas?
Pair the fajitas with a keto-friendly side dish for a complete meal. The options are as follows:

How to make it healthier?
Time-saving tips

What can I prepare ahead of time?
Storage and reheating instructions
Storage tips
Reheating instructions

Recipe wrap-up and conclusion
Kick up the flavor of your keto journey with our mouthwatering Keto Chicken Fajitas recipe! This easy-to-make recipe allows you to enjoy a fiesta of flavors while staying on track with your low-carb diet. Pair it with a hearty side dish, and get a versatile dish perfect for a satisfying dinner, power-packed lunch, or meal prep.
This delicacy is a testament that cooking a classic dish on keto is possible and easy. So, we encourage you to try it and give it a shot! And don't forget to share your experiences with us in the comment section.
Frequently asked questions
📖 Recipe

Keto Chicken Fajitas
Ingredients
- 1 pound skinless chicken breasts cut into large slices
- 3 bell peppers any color, largely sliced
- 1 red onion largely sliced
- 2 tablespoons olive oil
- 2 tablespoons lime juice
- 2 cloves garlic minced
- 1 teaspoon chili powder
- ½ teaspoon paprika
- ½ teaspoon dried oregano
- ¼ teaspoon ground cumin
- ¼ teaspoon sea salt
- ¼ teaspoon freshly cracked black pepper
Instructions
- In a small bowl, prepare the spice mixture. Combine olive oil, lime juice, minced garlic, chili powder, ground cumin, paprika, dried oregano, salt, and black pepper. Stir until well mixed.
- Preheat the cast-iron skillet in the oven to 425°F (220°C).
- Carefully remove the hot cast-iron skillet from the oven.
- Arrange the chicken strips, bell peppers, and onion in the skillet.
- Next, pour the seasoning mixture over the ingredients. Toss everything together to coat the meat and veggies evenly.
- Spread everything out in a single layer on the skillet.
- Then, bake in the preheated oven for about 35 minutes or until the chicken and the vegetables are tender.
- Stir halfway through the cooking time to ensure even cooking.
- Once cooked, transfer the fajitas to a serving plate, garnish with fresh herbs, and enjoy.
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