This Low Carb Chicken Fajita recipe is a vibrant, flavorful dish that brings the zest of Mexican cuisine right to your table without the carbs! Featuring tender strips of chicken marinated in a blend of spices, sautéed bell peppers, and onions, it’s a dish that’s as colorful as it is delicious. Perfect for weeknight dinners or meal prep, this recipe is satisfying, healthy, and can be tailored to fit any dietary needs.

Why You Will Love This Recipe
You will absolutely love this low carb chicken fajita recipe for its incredible flavor and ease of preparation. The marinated chicken is juicy and tender, while the colorful peppers and onions add a sweet crunch. It’s a one-pan meal that comes together quickly, making it perfect for busy nights. Plus, it fits perfectly into a low carb lifestyle, allowing you to enjoy your favorite Mexican flavors without the guilt. Whether you’re counting carbs or just looking for a nutritious meal, this recipe will satisfy your cravings!
Tips and Tricks
To ensure your chicken fajitas turn out perfectly every time, here are some tips and tricks:
- Marinate the Chicken: For the best flavor, marinate the chicken for at least 30 minutes, or even overnight if you have the time.
- Use Fresh Vegetables: Fresh bell peppers and onions not only taste better but also add vibrant color to your dish.
- High Heat Cooking: Sauté everything on high heat to achieve that delicious caramelization that enhances the flavors.
- Customize Seasoning: Feel free to adjust the seasoning mix to fit your taste. Add more chili powder for heat or a pinch of sugar for sweetness if desired.
Make Ahead Tips
This recipe is perfect for meal prep! Here are some make-ahead tips:
- Marinate Chicken Ahead of Time: You can marinate the chicken a day in advance to let the flavors develop.
- Chop Vegetables in Advance: Slice your bell peppers and onions the night before and store them in an airtight container in the fridge.
- Store Cooked Fajitas: If you make too much, store the cooked fajitas in the fridge for up to 3 days.

Recipe Variations
Feel free to mix things up with these variations:
- Protein Swaps: Substitute chicken for shrimp or beef for a different protein option.
- Veggie-Only Version: Skip the chicken and load up on more vegetables for a delicious vegetarian fajita.
- Spice Level: Add jalapeños or a pinch of cayenne pepper for a spicier kick!
How to Serve
Serve your low carb chicken fajitas in lettuce wraps for a fun twist! Top with fresh avocado, salsa, or a dollop of sour cream. For an impressive presentation, arrange the chicken and veggies on a large platter with colorful garnishes like cilantro and lime wedges.

Pairing Suggestions
Pair these fajitas with a refreshing drink like a classic margarita or a light Mexican lager. For non-alcoholic options, try a zesty limeade or iced tea. As for sides, consider serving a fresh salad or guacamole to complement the meal.
How to Store
Store any leftovers in an airtight container in the refrigerator for up to 3 days. For longer storage, you can freeze the cooked fajitas in a freezer-safe bag for up to 2 months. To reheat, simply thaw overnight in the fridge and warm on the stovetop or in the microwave.
Equipment Needed
You will need:
- A large skillet or cast-iron skillet for sautéing.
- A cutting board and sharp knife for preparing the chicken and vegetables.
- Measuring spoons for accurate seasoning.

Dietary Adaptations
To adapt this recipe for dietary restrictions:
- Vegan: Replace chicken with tofu or tempeh and use vegetable broth for marinating.
- Dairy-Free: Omit cheese or use a dairy-free alternative if desired.
- Nut-Free: This recipe is naturally nut-free, but always check your spices for cross-contamination.
Seasonal Adaptations
In the summer, use fresh, in-season vegetables like zucchini or corn to add variety. In the fall, consider adding sweet potatoes for a heartier dish, keeping in mind the impact on carb count.
Recipe FAQs
- Can I use frozen chicken? Yes, but be sure to thaw it completely before marinating and cooking.
- How long do I cook the chicken? Sauté the chicken for about 5-7 minutes, or until it’s fully cooked and no longer pink.
- What can I substitute for bell peppers? You can use any variety of peppers or even mushrooms for a different flavor profile.

Low Carb Chicken Fajita
This Low Carb Chicken Fajita recipe is a vibrant, flavorful dish that brings the zest of Mexican cuisine right to your table without the carbs!
Ingredients
- 1 lb chicken breast, sliced into strips
- 2 bell peppers (any color), sliced
- 1 onion, sliced
- 3 tablespoons olive oil
- 2 teaspoons chili powder
- 1 teaspoon cumin
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- Salt and pepper to taste
- Fresh cilantro for garnish
- Lime wedges for serving
Instructions
- In a bowl, combine olive oil, chili powder, cumin, garlic powder, onion powder, salt, and pepper. Add the sliced chicken and mix well to coat. Cover and marinate in the fridge for at least 30 minutes.
- Heat a large skillet over medium-high heat. Add the marinated chicken to the skillet and cook for about 5-7 minutes, stirring occasionally until cooked through.
- Add the sliced bell peppers and onion to the skillet with the chicken. Sauté for another 5 minutes until the vegetables are tender and slightly caramelized.
- Remove from heat and garnish with fresh cilantro and lime wedges.
- Serve hot in lettuce wraps or on a platter.
Nutrition Information:
Yield: 4 Serving Size: 1Amount Per Serving: Calories: 318Total Fat: 15gSaturated Fat: 3gTrans Fat: 0gUnsaturated Fat: 11gCholesterol: 96mgSodium: 201mgCarbohydrates: 10gFiber: 2gSugar: 3gProtein: 37g
Chickenrecipes.blog, occasionally offers nutritional information for recipes contained on this site. This information is provided as a courtesy and is an estimate only. This information comes from online calculators. Although allchickenrecipes.com attempts to provide accurate nutritional information, these figures are only estimates.
Final Thoughts
Making this low carb chicken fajita recipe is a fantastic way to enjoy a healthy, flavorful meal that doesn’t compromise on taste. Whether for a healthy weeknight dinner or a meal prep option for the week ahead, this recipe is versatile and easy to follow. Embrace the vibrant flavors of Mexican cuisine while sticking to your dietary goals, and enjoy every bite! Happy cooking!