Easy Keto Chicken Fajitas (2024)

Published: · Modified: by Carolyn

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These sheet pan keto chicken fajitas come together in 35 minutes, start to finish. It’s a one pan meal bursting with bold flavor. And it’s a meal the whole family will love.

I think you already know by now that I am very taken with sheet pan meals. They’ve become a standard in my house, because they are fast, easy, delicious, and infinitely versatile. And when you’ve got three hungry teenagers around, easy recipes like this are of the utmost importance.

This recipe for sheet pan chicken fajitas has actually been on the blog since 2016. It may have been my first foray into sheet pan cooking, now that I think about it. But I decided to give it a bit of an update, with a few tweaks and some new photos.

And when I made it again,I remembered just how good it is. Tender slices of chicken, peppers, and onions with tons of bold fajita flavor. And so ridiculously easy to pull together. It’s the ideal weeknight family dinner.

If you love sheet pan meals, be sure to also check out my Easy Keto Jambalaya and Keto Sheet Pan Chicken and Veggies.

Keto Chicken Fajita Ingredients

The best part about a sheet pan recipe like this? 6 simple ingredients that are readily available just about anywhere.

  • boneless, skinless chicken (I recommend using thighs for juicer chicken)
  • peppers (one whole green pepper, and half each red and yellow peppers)
  • onion (just use half to keep the carb count down)
  • oil
  • taco seasoning (be sure it has no additives like sugar or starch – I like the one from Primal Palate)
  • additional salt and pepper (season to taste after the fajitas are done)

Easy Keto Chicken Fajitas (3)

Oven Baked Keto Chicken Fajitas

Sheet pan cooking is so easy, you’ll wonder why you ever cook any other way. And you can mix all the ingredients right on the pan, so you don’t dirty any other bowls or dishes.

  1. Slice the chicken thighs thinly for faster cooking. Keep them no more than ½ inch thick.
  2. Slice the peppers thinly as well.
  3. Lay all the ingredients out on a rimmed baking sheet and drizzle with oil.
  4. Sprinkle with the taco seasoning and toss right on the pan.
  5. Spread it all out evenly again and bake!

How easy is that?

How to serve keto chicken fajitas

This is not quite a full meal unto itself, so you may find yourself wondering how to serve it. You’ve got some great options for keto sides.

I like to make fajita bowls with it and serve it over some of my Cilantro Lime Cauliflower Rice. You could also serve it over lettuce for a low carb fajita salad.

But it’s also great paired with some keto cauliflower wraps or bread thins, like the ones from Outer Aisle. I also recently tried these almond flour tortillas from The Keto Tortilla Company, and they’re a great option as well.

Don’t forget the toppings! These keto chicken fajitas are great with some avocado or guacamole, a squeeze of lime, and even some shredded Mexican cheese. Sour cream is delicious too.

How to store the leftovers

Don’t need 6 servings of keto fajitas? You can easily cut this down to size. But the leftovers are delicious and easy to store. Just transfer them to a covered container, and they will last in the fridge for 4 days.

Simply reheat gently in the oven or microwave.

More Mexican Inspired Keto Recipes

Easy Keto Chicken Fajitas (7)

Keto Chicken Fajitas

These sheet pan keto chicken fajitas come together in 35 minutes, start to finish. It's a one pan meal bursting with bold flavor. And it's a meal the whole family will love.

5 from 20 votes

Print Pin Rate

Course: Main Course

Cuisine: Mexican

Keyword: keto chicken fajitas, sheet pan chicken fajitas

Prep Time: 10 minutes minutes

Cook Time: 25 minutes minutes

Total Time: 35 minutes minutes

Servings: 6 servings

Calories: 227kcal

Ingredients

Instructions

  • Preheat the oven to 400F.

  • Slice the chicken thighs into thin strips. Slice the peppers and onions thinly. Spread out the chicken and veggies on a large rimmed baking sheet.

  • Drizzle with the oil and sprinkle with the taco seasoning, then toss well to combine and spread out again evenly on the baking sheet.

  • Bake 20 to 25 minutes, until the chicken is cooked through. Season with additional salt and pepper to taste.

  • Serve with cauliflower rice or keto friendly wraps.

Nutrition Facts

Keto Chicken Fajitas

Amount Per Serving (1 serving = ⅙th of recipe)

Calories 227Calories from Fat 123

% Daily Value*

Fat 13.7g21%

Carbohydrates 4.1g1%

Fiber 1.2g5%

Protein 29.4g59%

* Percent Daily Values are based on a 2000 calorie diet.

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Nutritional Disclaimer

Please note that I am not a medical or nutritional professional. I am simply recounting and sharing my own experiences on this blog. Nothing I express here should be taken as medical advice and you should consult with your doctor before starting any diet or exercise program. I provide nutritional information for my recipes simply as a courtesy to my readers. It is calculated using MacGourmet software and I remove erythritol from the final carb count and net carb count, as it does not affect my own blood glucose levels. I do my best to be as accurate as possible but you should independently calculate nutritional information on your own before relying on them.I expressly disclaim any and all liability of any kind with respect to any act or omission wholly or in part in reliance on anything contained in this website.

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Comments

    Leave a Reply

  1. Leslie Holland says

    Easy Keto Chicken Fajitas (8)
    Outstanding recipe! This is a go-to recipe in my house.

    Reply

  2. Joanne says

    Easy Keto Chicken Fajitas (9)
    Best. Meal. Ever! How could something so simple, so easy with so few ingredients be so delicious! It was amazing with keto tortillas, a little cheese, and a little sour cream. My “I hate keto” teenaged son even had seconds! Guacamole would be great with it, too. Thanks for this quick and easy one!

    Reply

  3. Rhonda says

    Easy Keto Chicken Fajitas (10)
    Very tasty, Carolyn! Super easy. only thing is that the Keto Tortilla company is not in operation at this moment😪

    Reply

  4. Debra says

    Easy Keto Chicken Fajitas (11)
    I make this all the time. I elimate the onion, and green capsicum. The other night I made it with chicken, 2 red capsicum, 2 yellow capsicum, 4 zucchini(cut into sticks). Was yummy and fed 6 easily. 4 of us ate it with wraps, sour cream, cheese, and avocado, 2 had it as a fajita bowl.

    Reply

  5. Val says

    Easy Keto Chicken Fajitas (12)
    Amazing!
    Thank you again Carolyn, whole family loved these even the grandkids!

    Reply

  6. Gila Unguru says

    Hi Carolyn
    I have loved your recipes for years!!! I can always count on you to have just what I’m searching for and every recipe is a winner .

    I have some thinly slices beef for stir fry – do you think i could make this recipe using the beef – I’m thinking of maybe starting the peppers and onions for 10-15 min then adding the beef for the last ten minutes. Any thoughts?

    Reply

    • Carolyn says

      Yes… and i think you don’t even need to cook the veggies that long first. They soften quite easily on the pan.

      Reply

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Easy Keto Chicken Fajitas (2024)

FAQs

Are fajitas keto friendly? ›

Fajitas, like several other Mexican dishes, make an ideal keto meal as long as you skip the tortillas. Choose a simple meat entree. Choosing a high fat, high protein meat dish as your main course means you may not have to make many special requests to keep your meal keto-friendly.

How many carbs are in chicken fajitas? ›

Chicken Fajita With Vegetables (1 tortilla) contains 41.2g total carbs, 35.9g net carbs, 12.1g fat, 19.7g protein, and 352 calories.

Which part of chicken is best for Keto? ›

What kind of chicken can I eat on keto? For meat lovers, the best news is → both white meat and dark meat are perfectly fine to eat when following a keto diet. However, note that the best type of chicken to use is definitely chicken breast as it is the leanest cut.

Should you use white or yellow onions in fajitas? ›

There's no one-size-fits-all answer to choosing the right onion for your fajitas. You can go for the traditional white or yellow onions, offering a more savory option, or experiment with sweet onions like Vidalia or Walla Walla to add a subtle sweetness to your dish.

Are tortillas OK on keto diet? ›

Going keto doesn't mean giving up tortillas—or tortilla chips! If you love Mexican food, you may wonder what you can use as a wrap for taco, fajita and burrito fillings when doing a low-carb diet.

Why is salsa not keto-friendly? ›

For instance, certain store-bought salsas can contain added sugars, which would raise the net carb count. On the other hand, a fresh, homemade salsa made with tomatoes, onions, peppers, and cilantro would likely be lower in carbs, especially if no sugar is added.

How many carbs are in a chicken fajita without the tortilla? ›

Calories in Chicken Fajitas (no tortilla)
Calories499.0
Sodium507.8 mg
Potassium548.9 mg
Total Carbohydrate14.3 g
Dietary Fiber3.3 g
8 more rows

Can you eat chicken fajitas on a diet? ›

If you eat these chicken fajitas as pictured above (just with peppers), your looking at a super low 350 calories per serving. If you want to serve them in a style more similar to traditional fajitas, try swapping out romaine lettuce leaves in place of tortillas to keep the calories low.

Does fajita seasoning have carbs? ›

2 Tbsp of fajita seasoning mix (Goya) contains 15 Calories. The macronutrient breakdown is 100% carbs, 0% fat, and 0% protein. This has a moderate calorie density, with 250 Calories per 100g.

Is too much chicken bad on keto? ›

Meat and poultry are popular with people on the keto diet because they're high in fat and very low in carbs. However, scientists have found links between eating too much meat on a regular basis and health conditions like heart disease, type 2 diabetes, and excess weight.

Why fried chicken is not keto? ›

Unfortunately, fried chicken uses flour or cornmeal (and sometimes cornstarch) to create its familiar beloved crunchy crust. That means it's not keto-friendly. Traditional fried chicken can be made keto-friendly if you remove the breading before eating.

How much chicken can I eat on keto per day? ›

"With a keto diet, the breakdown is approximately 75 percent fat, 20 percent protein and 5 percent carbohydrates." For example, a woman who weighs 150 pounds and is moderately active is recommended to eat 25 grams of carbs (think one medium sized apple!), 86 grams of protein (a little over three 3 oz chicken breasts) ...

What is the best meat for fajitas? ›

Skirt steak is the traditional cut used for fajitas. It used to be inexpensive, but now it's not so cheap; oftentimes flank steak costs less. Either will be a good choice.

What color peppers are best for fajitas? ›

Red Bell Pepper - These peppers are sweet and are great for adding color and texture to dishes like fajitas and stir fry recipes. Yellow Bell Pepper or Orange Bell Peppers - These peppers are ideal for adding extra flavor and vibrancy. White Onion - Red onions make an excellent substitution.

Does fajita meat have carbs? ›

4 oz of beef fajita contains 184 Calories. The macronutrient breakdown is 2% carbs, 59% fat, and 39% protein. This is a good source of protein (32% of your Daily Value).

Are refried beans keto? ›

Many individuals wonder whether this beloved staple can fit into their low-carb, high-fat diet. The short answer is yes, refried beans can be keto-friendly if consumed in moderation.

How many carbs are in a steak fajita without tortillas? ›

Rio Grande Mexican Restaurant Steak Fajita without Tortillas, Single (1 order) contains 89g total carbs, 66g net carbs, 47g fat, 66g protein, and 980 calories.

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