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If you are looking for a simple and delicious meal idea, try Instant Pot Chicken Fajita Soup. It’s so quick in the pressure cooker and packed with flavor. This low carb meal is sure to be a hit and will impress the entire family.

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Close up image of a bowl of chicken fajita soup with sour cream on top.

Instant Pot Chicken Fajita Soup Recipe:

We love soup recipes around here and this recipe is so easy and is a big hit with everyone in the family. It is loaded with amazing flavor and the meat is so tender. This is the perfect soup whether you are doing low carb or just want to enjoy a tasty soup on a cold night!

My family loves when I make Crock Pot Chicken Fajita’s but I decided that I wanted soup so I just combined the two! It is actually the perfect meal anytime of the year!

Close up image a bowl of chicken fajita soup in a white bowl with black spoon in it.

Pressure Cooker Chicken Fajita Soup:

It’s the perfect soup for a busy day and the Instant Pot makes it even simpler. It is such a light soup and doesn’t leave you feeling so heavy. The best part about using the pressure cooker is that this recipe is an easy dump all ingredients in and dinner is done in about 30 minutes.

The pressure cooker is perfect for those busy nights when you don’t want to hit the drive-through for dinner. You can come home have a good healthy dinner and stay on budget. That is a win-win for my family.

Close up image of a bowl of chicken fajita soup in a white bowl white two black spoons.

Keto Chicken Fajita Soup:

Not only is this soup tasty but it’s also keto friendly. You don’t have to feel guilty eating this delicious soup. Plus, the entire family will enjoy it.

I love meals that everyone can eat and love. It really makes life easier when I am trying to eat low carb and everyone can enjoy the same meal I am.

Is sure makes dinner time easier during busy weeks of activities, work and more. Plus no more making two different meals. Everyone will love this meal!

You will need an Instant Pot!

I am using an 8 quart Instant pot but you can use a 6 quart if you prefer. We love using our instant pot for all of our instant pot recipes.

Since purchasing an instant pot, it truly has changed meal time around here. I can pull together dinner in little to no time. This is so handy for those days that I don’t remember to take anything out of the freezer for dinner.

The instant pot to the rescue. I love that it cooks fast but tastes like you slow cooked it all day.

No worries if you don’t have an instant pot, you can try this Crock Pot Chicken Fajita Soup. It’s just as good in the slow cooker. You come home to dinner done!

Close up image of ingredients for chicken fajita soup. Chicken breast, chopped onion, diced tomatoes, garlic, taco seasoning, green bell peppers, red peppers.


  • Boneless Skinless Chicken breasts – You can use Chicken Thighs as well.
  • Diced tomatoes, 10 oz – I usually add in a can of Rotel for some extra spice.
  • Chicken Broth
  • Taco Seasoning – We love making our easy homemade taco seasoning
  • Minced Garlic
  • Onion
  • Green bell pepper
  • Red Peppers

How to make Instant Pot Chicken Fajita Soup:

  • Combine all the ingredients in the Instant Pot.
Close up image of ingredients for chicken fajita in a instant pot.
  • Lock the lid on top and set the valve to sealing to pressure cook.
  • Set the timer for 30 minutes if you are using frozen chicken and 25 minutes if you are using fresh chicken.
  • Do a quick release.
  • Remove the chicken and shred. You also shred your chicken with a hand mixer. This saves me so time.
  • Add the shredded chicken to the pot. Stir continuously to combine the flavors.
  • Serve with tortillas or tortilla chips and shredded cheese.
  • If you like a little extra heat, add a few dashes of red pepper flakes to this pressure cooker soup.
Close up image of a bowl of chicken fajita soup in a white bowl.

Topping Ideas:

If you are keeping this low carb or gluten free, try topping with extra cheese and sour cream. We love extra onion too.

For those not eating low carb or keto, this soup is really good with tortilla chips or corn ships. My kids love to top with tortilla chips.

Top with fresh cilantro and you are set! This meal is bursting with so much flavor.

Close up bowl of chicken fajita soup in a white bowl.

My favorite tips:

I use a small food chopper or processor to quickly and easily chop onions and green peppers. If you do not have one of these, I highly recommend them. They are such a time saver.

I usually just chop the entire vegetable and freeze what I don’t need. It’s so nice to be able to just take diced onion or bell peppers out of the freezer for recipes.

Save more time in the kitchen by learning how to freeze peppers and  how to freeze onions.

You can also try using chicken thighs instead of chicken breasts in this recipe. I often just use what I have in the freezer or what is on sale at the grocery store. You can also combine the two.

Another idea is to add black beans or other beans  in recipes to stretch the meat.

You can also add some cream cheese to make it more creamier!

Close up image of a bowl chicken fajita soup in a white bowl with two black spoons.

Print this Instant Pot Chicken Fajita Soup Recipe below:

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Keto Chicken Fajita Soup in the Instant Pot

4.98 from 35 votes
If you’re looking for a simple and delicious meal idea, try Instant Pot Chicken Fajita Soup. Pressure Cooker Chicken Fajita Soup is quick,easy and low carb.
Prep Time 5 minutes
Cook Time 30 minutes
Total Time 35 minutes
Servings 8
Cuisine American, Mexican
Course Main
Calories 162
Author Eating on a Dime


  • 2 lbs boneless skinless chicken breasts
  • 2 cans diced tomatoes 10 oz cans
  • 2 cups chicken broth
  • 2 tablespoons taco seasoning
  • 2 teaspoons minced garlic
  • 1/2 onion chopped
  • 1 green bell pepper chopped
  • 1 red bell pepper chopped


  • Combine all the ingredients in the Instant Pot.
  • Lock the lid on top and set the valve to sealing.
  • Set the timer for 30 minutes.
  • Do a quick release.
  • Remove the chicken, shred and return it back to the instant pot.
  • Stir to combine the flavors. Serve with your favorite toppings. I topped mine with shredded cheddar cheese, sour cream and chopped cilantro.

Recipe Notes

Refrigerate the leftovers in an air tight container for up to 5-7 days.  

Nutrition Facts

Calories 162kcal, Carbohydrates 7g, Protein 26g, Fat 3g, Saturated Fat 1g, Trans Fat 1g, Cholesterol 73mg, Sodium 545mg, Potassium 730mg, Fiber 2g, Sugar 4g, Vitamin A 735IU, Vitamin C 47mg, Calcium 47mg, Iron 2mg

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More Easy Instant Pot Soup Recipes:

This Instant Pot Chicken Fajita Soup is quick, easy, low carb and keto friendly too. It is full of flavor and a great meal anytime of the year! Everyone loves this healthy pressure cooker chicken fajita soup.  It’s the best skinny chicken fajita soup recipe! #eatingonadime #instantpotrecipes #souprecipes #chickenrecipes

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About the Author

Hi, I’m Carrie. Welcome to Eating on a Dime!

I’m on a mission to help you cook delicious meals without busting your budget. Together we are going to cook real food… for real families!

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  1. This looks wonderful, and is one of my favorite soups, but the nutrition facts say this soup has 46 carbs. It is marked low carb and to me that is definitely not low carb. Could you please tell me what a serving size is? Thank you, Carrie.

  2. 5 stars
    SO GOOD! This is a great pantry meal. I added a can of drained black beans and I only had 1 can of diced tomatoes so I added a can of tomato juice in it’s place. We also were out of fresh or frozen chicken but had canned (larger ones from Costco) chicken and used two of those. As the chicken was already cooked, I did HP for 10 minutes.
    On a side note, it would be great if you could add a jump to recipe link at the top of your page…

  3. How do I prepare this ahead? I want to make al the meals for the week because I do not get home until 630. Just make it up and freeze?

  4. 5 stars
    This super simple & super delicious recipe was the very first recipe I used in my instant pot.
    It was such a huge success!! My family & I loved it!!!

  5. 5 stars
    we love Chicken Fajita a new and different way to eat it different with a similar great taste

  6. 5 stars
    This was sooo yummy! Definitely going to be a go-to for when I’m in need of a grocery store trip and don’t have much to work with in the fridge. And it takes the perfect amount of time too! Enough to go for a walk or to clean up the kitchen while it’s cooking, not that there’s much to clean because it doesn’t use many dishes either! Thanks so much for such an easy-breezy healthy meal!