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    Home » Chicken Recipes » Keto Chicken Spaghetti - Stovetop or Instant Pot

    Keto Chicken Spaghetti - Stovetop or Instant Pot

    Published: Jul 6, 2021 by Wendy Polisi Modified: Aug 19, 2021 · 1483 words. · About 8 minutes to read this article.

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    When you are craving comfort food, this Keto Chicken Spaghetti is perfect! It takes about 30-minutes to make and is so flavor-packed. This recipe is one to turn to when you want serious flavors and don’t have much time.

    Photo of Keto Chicken Spaghetti in a skillet with a fork taking out a bite.

    Confession:  Though I strive to maintain a low-carb lifestyle, the one thing that is quick to derail me is pasta.

    I have loved it since childhood, and I doubt I will ever stop.

    When I am craving comfort food, pasta is the first place my mind goes.

    If you love pasta as much as I do, you are going to go wild for this Keto Chicken Spaghetti. It is a simple combination of flavors that I never get tired of.

    While nothing exactly replicates pasta, I find palmini noodles to be the best substitute I’ve found. I seriously love them and think you will too.

    Photo of a keto quickstart guide with the description of the guide on the right.

    Ingredients for Making Low Carb Chicken Spaghetti

    As an Amazon Associate, I earn From Qualifying Sales

    • Chicken -  Either boneless skinless chicken breast or thighs works.
    • Italian Seasoning - If you don’t have this on hand, oregano or thyme work fine.
    • Salt and pepper -  Adjust the amount to your liking.
    • Butter - I like the added flavor of buttery sauteed chicken. (Especially when using chicken breasts.) If you like, avocado oil is also an option.
    • Onion -  If you don’t have fresh onion on hand, use ½ teaspoon of onion powder to season the meat.
    • Garlic - Fresh garlic is best here, but ½ teaspoon of garlic powder can also be used.
    • Diced Tomatoes - I used a 10 oz can to keep the carbs down. If all you can find is a 14-ounce can, you can freeze the leftovers for another time or use the entire can and adjust the macros. I have done this, and the cream sauce is just fine with an extra 4 ounces of tomatoes.
    • Chicken Broth -  Try my Instant Pot Chicken Bone Broth for a quick and economical option.
    • Xanthan Gum - This thickens the sauce. You can omit it, but expect the sauce to be thin.
    • Cheese - Feel free to play with the type of cheeses used in this recipe.  
    • Palmini Noodles - I LOVE this low carb chicken pasta with palmini noodles, and I highly encourage you to try them. You can find them in many grocery stores and also online.
    Photo of a keto quickstart guide with the description of the guide on the right.

    Tips and Tricks 

    • If possible, season the chicken at least one hour before cooking or up to overnight.
    • If you are using zucchini noodles, make sure you cook them and then drain them well. Otherwise, they will add too much moisture to the sauce. Saute them in a skillet for a minute or two and then drain well. I like to blot them with paper towels before adding them to the dish.
    • I recommend grating your cheese because bagged cheese has additives that can add unnecessary carbs to the recipe.

    Variations

    • For an added kick of heat, add ¼ teaspoon chipotle chili powder.
    • For a fun variation, add in chopped bell pepper when you add in the onion.
    • I make this with Palmini noodles, but zucchini noodles or spaghetti squash are also a great option. I often cook some gluten-free spaghetti for the family so that we can all eat the same thing!
    • Heavy whipping cream keeps this recipe keto-friendly, but if you are low carb and not keto, half and half works well.
    • Four ounces of cream cheese may be substituted for the heavy cream. You may wish to omit the xanthan gum as the cream cheese will help to thicken the sauce.

    Frequently Asked Questions

    What are palmini noodles?


    Palmini noodles are made from hearts of palm. They are a whole-food alternative to pasta that is great for a keto diet. You may have seen them on Shark Tank.Photo of a can of palmini noodles

    Can I use either chicken breast or thighs in this recipe?


    Absolutely! Either are great options. Since chicken thighs have more fat than breast, they are a bit more keto-friendly and add more flavor.

    Can I use pre-cooked chicken?


    You sure can. If you happen to have a rotisserie chicken or other cooked chicken in the fridge, this is a great way to use it up.

    Just shred or chop the chicken, and add the seasonings and chicken with the onion after the butter melts.

    I don’t have an oven-safe skillet. Can I still make this chicken spaghetti recipe?


    You sure can. Just use a regular skillet and transfer the recipe to a casserole dish before placing your baking dish under the broiler.

    Tools Needed to Make Keto Chicken Pasta

    • Oven Safe Skillet
    • Strainer (for rinsing palmini noodles) or Spiralizer
    • Large bowl

    Making Ahead and Storage

    Keto Chicken Spaghetti is great when you need something you can make ahead.

    I would go so far as to say that this recipe is better when made ahead if you are using palmini noodles. Having no taste of their own, they absorb the flavors of the cream sauce.

    This recipe can be made up to one day ahead of time and kept covered in the fridge before broiling. (Remember to allow enough cooking time to get the dish warmed thoroughly before serving.)

    Leftovers will keep up to three days in the refrigerator or frozen for up to one month.

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      How to Make Keto Chicken Spaghetti

      See the recipe card below for full instructions.

      Stovetop

      See the recipe card below for the full recipe with measurements.

      Start by preheating your broiler.

      Next, toss chicken with the seasonings in a large bowl.

      • Photo of chopped chicken in a red bowl with seasonings.
      • Photo of cooked chopped chicken in a skillet.

      Melt the butter in an oven-safe skillet, and then brown the meat.

      Add the onion and garlic, and stir until fragrant.

      Stir in the broth, tomatoes, and cream. Bring to a simmer over medium heat.

      • Photo of cooked chopped chicken in a skillet with canned tomatoes and heavy cream.
      • Photo of shredded cheddar cheese and parmesan cheese that have been added to a sauce for chicken spaghetti.

      Stir in the xanthan gum and cook until the sauce thickens.

      Add in 1 ½ cups of cheese, and cook until melted.

      • Photo of palmini noodles that have been rinsed and drained.
      • Photo of palmini noodles being added to the sauce for chicken spaghetti.

      Stir in the rinsed and drained palmini noodles, and top with the remaining cheese.

      • Photo of low carb chicken spaghetti.
      • Photo of keto chicken spaghetti with cheese on top ready to go under the broiler.

      Place under the broiler until bubbly.

      Photo of a keto quickstart guide with the description of the guide on the right.

      Start by setting your Instant Pot to high saute. Add the butter and once it melts, cook the chicken for 3 minutes. Add the onion and garlic and cook for another 3 minutes.

      Add the chicken broth and scrape up any brown bits. (This prevents them from causing the burn message.)

      • Photo of seasoned chicken cubes, onion, garlic, and broth in an instant pot.
      • Photo of cream and tomatoes being added to instant pot chicken spaghetti.

      Stir in the tomatoes, cream, can xanthan gum, and then hit cancel.

      Set your Instant Pot to high pressure for 2 minutes.

      Do an instant release. Stir and then add in half of the cheddar and the parmesan cheese.

      • Photo of instant pot chicken spaghetti cooking.
      • Photo of cheese being added to instant pot chicken spaghetti.

      Put the lid on the pot and let it sit until it melts. Stir and top with the remaining cheese.

      Allow to melt, or place it under the broiler to melt.

      Close up photo of Keto Chicken Spaghetti with a fork taking a bite out of it.

      You May Also Like

      • Keto Meat Sauce is easy to make, and works in so many dishes. For a simple meal, I will often serve it with palmini noodles.
      • Looking for an easy side? This Air Fryer Broccoli is always a hit.
      • Keto Swedish Meatballs are a delicious and filling meal that the whole family can agree on.
      If you like this recipe don't forget to leave a 5 star rating and let me know how it went in the below comments, I love hearing from you! You can also FOLLOW ME on FACEBOOK, INSTAGRAM, and PINTEREST to see all my delicious recipes.

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        Square overhead photo of Keto Chicken Spaghetti in a skillet with a fork taking out a bite.
        Print Recipe

        Keto Chicken Spaghetti

        When you are craving pasta, this Low Carb Chicken Spaghetti scratches the itch, while allowing you to stick to your keto diet.
        Prep Time10 mins
        Cook Time20 mins
        Total Time30 mins
        Course: Main
        Cuisine: American
        Keyword: Palmini
        Servings: 6
        Calories: 347.64kcal
        Author: Wendy Polisi
        As an Amazon Associate I earn from qualified sales.

        Ingredients

        • 2 pounds boneless skinless chicken thighs or breast cubed
        • 1 teaspoon Italian seasoning
        • 1 teaspoon sea salt
        • ½ teaspoon fresh ground black pepper
        • ¼ cup butter
        • ¼ cup chopped onion
        • 1 teaspoon minced garlic
        • 10 ounces canned diced tomatoes
        • 1 ½ cups chicken broth
        • ½ cup heavy cream
        • ¾ teaspoon xanthan gum
        • 2 cups sharp cheddar cheese divided
        • ½ cup parmesan cheese shredded
        • 1 can palmini noodles drained and rinsed or 2 zucchini, spiralized (see tips and tricks)

        Instructions

        Stovetop Instructions

        • Preheat broiler to high.
        • In a large bowl, toss the chicken with the Italian seasoning, salt, and pepper.
        • Melt the butter in a large oven-safe skillet over medium-high heat.
        • Add the chicken and cook, stirring occasionally, for 6 minutes.
        • Add the onion and garlic to the skillet and cook for 3 minutes longer.
        • Stir in tomatoes, broth, and cream. Bring to a simmer over medium heat. Stir in xanthan gum and cook for 5 minutes, until the sauce starts to thicken.
        • Reduce the heat to low and add 1 cup of cheddar cheese and the parmesan cheese. Cook until melted, about 3 to 4 minutes.
        • Stir in palmini noodles and top with the remaining 1 cup of cheddar cheese.
        • Cook under the broiler until the cheese melts, about 3 minutes.

        Instant Pot Instructions

        • Set your Instant Pot to Saute High. Add the butter. When it is melted, add the chicken and cook for 3 minutes. Add the onion and garlic and cook for 3 minutes longer.
        • Add the chicken broth and scrape up any brown bits.
        • Add the tomatoes, cream, and xanthan gum.
        • Hit cancel.
        • Set your instant pot to high pressure and set the time to 2 minutes. When the time is up, do an instant release and stir.
        • Add 1 cup of cheddar cheese and parmesan cheese. Place the lid back on the pot until the cheese is melted. Stir.
        • Stir in the palmini noodles (if using) and top with the remaining cheese. Replace the lid and let sit until the cheese is melted.
        • If desired, you can cook under the broiler for 3 minutes or use your air crisp lid.

        Nutrition

        Calories: 347.64kcal | Carbohydrates: 6.86g | Protein: 14.62g | Fat: 29.86g | Saturated Fat: 18.78g | Trans Fat: 0.31g | Cholesterol: 92.72mg | Sodium: 1123.95mg | Potassium: 217mg | Fiber: 2.07g | Sugar: 1.72g | Vitamin A: 1033.63IU | Vitamin C: 9.29mg | Calcium: 412.32mg | Iron: 1.07mg
        « Keto Chicken Tenders - Fry, Air Fry, or Ninja Foodi Grill
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        Reader Interactions

        Comments

        1. Sl

          June 19, 2021 at 3:08 pm

          Sounds amazing!! Could you use spaghetti squash for noodles??

          Reply
          • Wendy Polisi

            June 19, 2021 at 3:11 pm

            Absolutely - spaghetti squash is amazing!

            Reply
        2. Gwen Skaggs

          July 18, 2021 at 2:50 am

          Could you use a can of rotel in place of the tomatoe

          Reply

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        Welcome

        I'm Wendy and I'm here to show you just how delicious a low carb, gluten free and keto diet can be! You are just as likely to find me obsessing over all things cheesy as you are getting excited by a full produce drawer. I'm a mom to three, obsessive planner and roller coasters are my happy place. Let's dig deeper →

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