Keto Fajitas [Low Carb, Sheet Pan Recipe] (2024)

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On busy nights when spending time in the kitchen feels nearly impossible, sheet pan meals are my go-to! What’s not to love about tossing ingredients together on a pan and letting the oven do all the work while you handle other things? These keto fajitas are easy, healthy, and ready faster than pizza delivery.

Keto Fajitas

When dining out, it’s hard to beat a plate of sizzling fajitas at your local Mexican restaurant. They’re the best! And the fact that everyone stops and stares as the steaming plate is delivered to your table leads me to believe that they’re not just my favorite, they’re everyone’s favorite. Pro tip: if you pass on the tortillas, rice, and beans that accompany the dish, they are also low enough in carbs that you can safely include them in your keto diet. The even better news is that you don’t have to eat out to enjoy keto fajitas. You can easily make them in the comfort of your own home with this recipe from my book Keto: A Woman’s Guide and Cookbook.

Keto: A Woman's Guide & Cookbook

If you haven't picked up your copy of the book yet, be sure to check it out. I fill you in on all the details required to succeed on keto, from getting started to fine-tuning your efforts with advanced strategies. There’s nothing out there quite like it, as it’s geared towards optimizing body composition based on female physiology and hormonal balance. Complete with recipes to boot (including these keto fajitas!), so you’re not completely lost in the kitchen. If you’ve tried any of my other recipes before, you already know these are delish!

And if you have picked up a copy… then THANK YOU from the bottom of my heart. Having the opportunity to write about my passion has been a dream come true. I genuinely appreciate your support! If you could do me a quick favor and take just a minute to leave a review on Amazon letting me know your favorite part of the book, that would be even more incredible. It really helps to spread the word and gives others insight into whether or not the book will be a good fit. It also helps the book appear in search results instead of drifting off into the depths of Amazon’s millions and millions of titles. This is hands down the best way to support the book! Thank you for taking the time to leave your thoughts!

Real Reader Review

Here’s what one reader Mandy X. had to say:
“I’ve been following Tasha’s website Ketogasm for the past several years so you know I was over the moon when she announced this book! I got it today and haven’t been able to put it down. I love that it’s written by a woman for women! The Keto lifestyle is not one-size-fits-all and this book outlines just how anyone from a newbie to a novice can make their Keto journey successful. I’ve already dog eared several pages and can’t wait to read the rest. For any ladies out there who have ever been interested in Keto, RUN - don’t walk to pick up this guide!”

Now onwards! To the keto fajitas!

Keto Fajitas [Low Carb, Sheet Pan Recipe] (1)

How to Make Keto Fajitas

If you’re getting fajitas at a restaurant, they will usually grill the meats while keeping the cast iron plate hot, then put the food on top, drizzle with a sauce, and immediately rush your plate out for The Sizzle Factor.

You can recreate the sizzle at home the same way. I’m all about quick, easy, “ain’t nobody got time for that” meals, so we are using a sheet pan in the oven instead. Way less effort but ultimately, still delicious and keto-friendly.

Preheat your oven and get a large sheet pan ready. You’ll toss your keto fajita ingredients on the pan, bake for a bit, then broil, and enjoy! An incredibly easy, satisfying keto meal that makes a perfect weeknight dinner.

Can I have fajitas on keto?

You betcha! Fajita ingredients tend to be low in carbs, naturally supporting ketosis. Common proteins used include chicken, shrimp, and thinly sliced skirt steak which all receive a big thumbs up for keto. The cooking oils are also low carb.

While the veggies do have some carbs, they generally tend to be non-starchy, low sugar veggies that can be included in ketogenic diets as well. If you’re confused about vegetables and carbs on keto, be sure to check out our Low Carb Vegetable List.

It will be tough to track your exact macros at a restaurant (if you’re into that kind of thing), but this is “it’ll be fine” territory when eating out. If you’re making keto fajitas at home, then you’re in luck and know exactly what and how much you’re eating. And if you follow this recipe, the nutrition info is already calculated for you.

Low Carb Veggies to Use

  • Bell Peppers
  • Onions
  • Cilantro

In true fajita fashion, I stuck with bell peppers, onions, and cilantro for this recipe. But feel free to get creative and try other low carb vegetables for your keto fajitas. Mushrooms, green beans, cauliflower, or even brussels sprouts would work well with this quick-cooking preparation. When you’re cooking on a sheet pan, it’s easy to mix and match ingredients. You can make different variations or completely new meal combinations. You’re the boss, babe!

The Keto Fajitas Recipe

📖 Recipe

Keto Fajitas [Low Carb, Sheet Pan Recipe] (2)

Easy Sheet Pan Fajitas

On busy nights when spending time in the kitchen feels nearly impossible, sheet pan meals are my go-to! What’s not to love about tossing ingredients together on a pan and letting the oven do all the work while you handle other things? These fajitas are easy, healthy, and ready faster than pizza delivery.

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Prep Time: 10 minutes minutes

Cook Time: 15 minutes minutes

Total Time: 25 minutes minutes

Course: Dinner, Main Course, Meal Prep, One pot meal

Cuisine: American, Mexican, Tex-Mex

Keyword: easy, fajitas, sheet pan

Special Diet: Keto, Low Carb

Servings: 6 servings

Serving Size: 1 cup

Net Carbs: 2.9g

Author: Tasha

Ingredients

  • 2 lbs flank or skirt steak
  • ¼ cup avocado oil
  • 2 tbsp lime juice freshly squeezed
  • ¼ cup cilantro minced
  • 2 bell pepper sliced
  • ¼ medium onion thinly sliced
  • ½ tsp salt
  • ¼ tsp chili powder
  • ¼ tsp lime zest

Instructions

  • Preheat oven to 425°F (220°C or gas mark 7) and set aside a large sheet pan.

  • Cut against the grain of the steak to make ¼ inch (6 mm)–thick strips of meat. Place in a large zipper-lock bag. Add avocado oil, lime juice, cilantro, bell peppers, and onion to the bag and marinate at room temperature for approximately 5 minutes.

  • Using tongs, remove ingredients from the bag and spread across sheet pan in a single layer. Discard marinade and bag.

  • Place sheet pan in the oven to cook for 10 minutes. Remove from oven and carefully toss ingredients on the sheet pan using tongs.

  • Set oven to broil on high heat. Place sheet pan back into the oven and broil for an additional 5 minutes.

  • Combine salt, chili powder, and lime zest. Remove fajitas from oven and sprinkle salt mixture evenly over the top to taste. Serve immediately.

Notes

The fajitas can be enjoyed alone or served with lettuce leaf “tortillas.”

Nutrition information is based on a single serving and is provided as a convenience for Ketogasm readers. Data may vary based on brand and recipe variation.

Nutrition

Nutrition Facts

Easy Sheet Pan Fajitas

Serving Size

1 cup

Amount per Serving

Calories

343

% Daily Value*

Fat

16

g

25

%

Carbohydrates

4.2

g

1

%

Fiber

1.3

g

5

%

Protein

45.8

g

92

%

Net Carbs

2.9

g

6

%

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

Tried this recipe?Mention @KETOGASM or tag #ketogasm!

Keto Fajitas [Low Carb, Sheet Pan Recipe] (3)
Keto Fajitas [Low Carb, Sheet Pan Recipe] (4)

Tasha

Hi, I'm Tasha–nutritionist, recipe developer, and multi-published cookbook author.

Keto Fajitas [Low Carb, Sheet Pan Recipe] (2024)

FAQs

Can I eat fajitas on a low carb diet? ›

Fajitas are a popular sizzling-hot dish that usually includes bell pepper and onion, along with a protein like chicken, beef, or shrimp. They're served with tortillas, but you can skip those and just eat the fajita filling to keep it low carb.

Is guacamole good for keto? ›

Is Guacamole Keto-Friendly? Yes, absolutely. As mentioned above, guacamole is loaded with healthy monounsaturated fats and minimal carbohydrate content. This makes it a perfect low-carb, high-fat keto snack when served with keto-friendly chips or raw veggies.

Can you eat sour cream on a keto diet? ›

Sour cream fits in with a keto diet because it's high in fat and low in carbs, as long as you choose the full-fat option. It contains about 19 grams of fat and 4.6 grams of carbs per 100 grams, which is about half a cup, according to the USDA.

Are onions good for keto? ›

Yes, onions are a keto-friendly root vegetable!

Although a whole onion isn't super low in carbs, we typically eat smaller amounts of this veggie because a little packs a big punch. Plus, onions have some fiber too! On low-carb diets, net carb count is more important than total carb count.

Can you stay in ketosis eating low-carb tortillas? ›

Whether you are on keto or want something kosher, low-carb tortillas are a great addition to one's meal. They allow you to pursue a plan effectively without the risk of going overboard. The best way to stay on track is to use medical recommendations and always check the calorie/carb ratio listed on the pack.

What is the healthiest way to eat fajitas? ›

Add in extra fresh veggies, such as peppers whilst cooking, then fresh tomatoes, lettuce and avocado when building your fajita to increase the nutrients. By making your own guacamole, salsa and refried beans you know exactly what has gone in to them with no added sugar or salt.

Can I eat 1 avocado a day on keto? ›

If you have decided to follow a ketogenic diet, you should know that the avocado is a fruit you can include in your meals due to its healthy fat content. Avocados contain 5 g Monounsaturated Fat and 1 g Polyunsaturated Fat, making avocados great for a keto diet.

Is Cantaloupe good for keto? ›

With 11.2 grams of net carbs in each cup (156 grams), cantaloupe can be incorporated into a well-planned ketogenic diet. Cantaloupe also contains folate, potassium, vitamin K, and beta carotene.

Can you eat salsa on keto? ›

Yes, as we talked about above salsa is definitely keto friendly! Salsa usually only has a few grams of carbs per serving and is loaded with nutritious ingredients, so you can add a burst of flavor to your meals without any guilt. Just be sure to choose a salsa without any added sugar.

What cheese is best on keto? ›

The best keto cheeses include cheddar, Gouda, goat cheese, and blue cheese, while the worst are cottage cheese and low fat and processed varieties. If you're following the keto diet or know someone who is, be sure to keep these cheeses in mind to promote ketosis and meet dietary goals.

Is Ranch OK on keto? ›

Since most people following the diet are restricted to between 20 and 50 grams of net carbs per day, and the average ranch dressing is between 2 to 3 grams of net carbs per serving, it can be easily paired with a variety of healthy foods while on a ketogenic diet.

Are refried beans low carb? ›

Carbs in Refried Beans

Net carbs (total carbohydrates - fiber - sugar alcohols) in refried beans are also very high, at 26g. You might be thinking 26g of net carbs sounds like a lot, and it is. In fact, this exceeds many people's daily carb limit.

Can I have pickles on keto? ›

Luckily, pickles are keto friendly, especially those that are of the dill pickle variety, as sugar is low. “Simply put, sweet pickles are made with sugar which will automatically push the carb count up,” says Hultin. “Dill or salt pickles don't have the added sugar and carbs, naturally,” she says.

Can you eat too much cheese on keto? ›

(Just remember: Cheese isn't “unlimited” in a keto diet, as it still contains calories and carbs; it's also high in saturated fat, which is a less heart-healthy option than unsaturated fats, per the American Heart Association.)

What beans are keto friendly? ›

Keto-friendly beans

On a strict keto diet, your best bet for beans is to choose either green beans or black soybeans. While green beans are typically prepared more like a vegetable than a bean, black soybeans are a great alternative to other, starchier beans in soups, bean dips, refried beans, or other recipes.

Are fajitas high in carbs? ›

Even a seemingly healthful order of grilled chicken fajitas with the standard accompaniments can top 1,500 calories, 150 grams of carbs and 1,600 mg sodium.

Can you eat tortillas on low carb diet? ›

Choosing a Lower Carb Tortilla

Looking for one that's about 15 grams of carbs or less per tortilla is reasonable, which also equates to one slice of bread. On some packages you'll find the “net carbs” showcased, which are typically used for folks following a keto diet.

Are fajitas healthy for weight loss? ›

The ingredients in fajitas of all sorts are basically meat and vegetables. You are eating less meat, because it is combined with the vegetables, and unless yo are using a lot of fat to cook with, that's a good, healthy combination. You could even have flan for dessert, as long as you don't do it too often.

How many carbs are in 1 chicken fajita? ›

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

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