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    Home » Recipes » Dinner Recipes

    Published: Jan 9, 2014 · Last Updated: Apr 3, 2022 by Kyndra Holley

    Spaghetti Squash Carbonara

    This post may contain affiliate links

    310868 shares
    Jump to Recipe
    a large serving bowl, filled with spaghetti squash pasta with pancetta, parsley, and parmesan cheese
    a large serving bowl, filled with spaghetti squash pasta with pancetta, parsley, and parmesan cheese
    A spaghetti squash shell filled with low carb spaghetti squash carbonara - pancetta, onion, garlic, egg, parmesan and parsley
    a large serving bowl, filled with spaghetti squash pasta with pancetta, parsley, and parmesan cheese
    a large serving bowl, filled with spaghetti squash pasta with pancetta, parsley, and parmesan cheese

    This Low Carb Spaghetti Squash Carbonara has all the delicious flavors of a traditional pasta based carbonara, but in a low carb, keto-friendly version. Perfectly roasted spaghetti squash, with smoky pancetta, onions, garlic, and a creamy sauce, topped with lots of grated parmesan cheese and fresh parsley. It is the perfect low carb pasta substitution.

    a large serving bowl, filled with spaghetti squash pasta with pancetta, parsley, and parmesan cheese
    Table of Contents show
    Ingredients in Spaghetti Squash Carbonara
    Ingredient Notes
    How to Make Low Carb Spaghetti Squash Carbonara
    How to Cook Spaghetti Squash
    How to Make Carbonara Sauce
    Recipe Tips and Variations
    Frequently Asked Questions
    What to serve with Low Carb Carbonara
    More Keto Recipes
    Spaghetti Squash Carbonara - low carb, keto, gluten free

    Ingredients in Spaghetti Squash Carbonara

    ingredients laid out to make spaghetti squash carbonara - spaghetti squash, pancetta, parmesan, egg, parsley, and onion

    Ingredient Notes

    • Spaghetti squash: To make this a low carb carbonara recipe, we are substituting regular spaghetti noodles with roasted spaghetti squash. While it obviously isn't an exact replacement for the taste and texture of traditional pasta, it is delicious in its own right. (Try this Italian Spaghetti Squash Breakfast Skillet)
    • Pancetta: Pancetta is basically Italian bacon. It is a seasoned, salt cured meat, made from pork belly. For this recipe, you could also substitute guanciale, ham, prosciutto, regular bacon, or even salami. (Try this Spaghetti Squash Alfredo with Pancetta and Peas)
    • Parmesan cheese: For this spaghetti squash carbonara recipe, we are using two types of parmesan cheese - finely grated and shredded. You could also use pecorino Romano or Parmigiano-Reggiano, or a combination of both. (Try this Parmesan Crusted Chicken with Lemon Cream Sauce)
    • Egg: The egg is what gives this pasta its creaminess. While the eggs are added raw, they are cooked just enough by the hot spaghetti squash to give them the perfect creaminess, without still being raw.

    How to Make Low Carb Spaghetti Squash Carbonara

    step by step photo instructions on how to prepare spaghetti squash in the oven

    How to Cook Spaghetti Squash

    STEP 1: Preheat oven to 400°F. Line a rimmed baking sheet with parchment paper.

    STEP 2: Cut spaghetti squash in half crosswise (Cutting it this way will make for longer, more spaghetti like shreds). Scrape out the seeds.

    STEP 3: Drizzle the squash halves with olive oil and sprinkle with a little sea salt and black pepper. 

    STEP 4: Place cut side down on baking sheet. Bake for 45 minutes or until fork tender and the shreds pull away from the skin effortlessly.

    How to Make Carbonara Sauce

    Step by step photo instructions for how to make a low carb carbonara sauce

    STEP 5: While the spaghetti squash is roasting, heat a large skillet over medium heat.  Add pancetta to the pan and cook until crispy. To the pan, add the onion and the garlic. Cook until translucent and soft. 

    STEP 6: Once the spaghetti squash is roasted, use a fork to scrape out the shreds of squash. If there is a lot of excess moisture from the spaghetti squash shreds, use paper towels to dab the squash and remove as much excess moisture as possible.

    STEP 7: Add the spaghetti squash to the skillet and toss with pancetta, onion and garlic. Make sure that spaghetti squash is nice and hot.

    STEP 8: In a large mixing bowl, whisk together eggs, parsley, grated Parmesan, sea salt and black pepper. To the mixing bowl, add squash mixture and toss with egg mixture. The heat of the spaghetti squash will cook the eggs just enough to coat them to the strands of squash without scrambling them. Top with shredded Parmesan, and garnish with parsley before serving.

    a large serving bowl, filled with spaghetti squash pasta with pancetta, parsley, and parmesan cheese

    Recipe Tips and Variations

    • Dry the spaghetti squash: If your roasted spaghetti squash has a lot of excess moisture, be sure to dry it as much as possible by dabbing it with paper towels. You don't want the excess moisture to water down your sauce. 
    • Storage: Store leftover spaghetti squash carbonara in the refrigerator for up to 4 days.
    • Reheating: I recommend reheating this in a pan on the stovetop.
    • Add another protein: This is also delicious with some shrimp or chicken added. I like to use shredded rotisserie chicken.
    • Add heavy cream: While traditional carbonara does not have cream, this keto spaghetti squash carbonara is extra delicious with some heavy cream added to give it a richer, creamier sauce.
    • Spice it up: Add a pinch of crushed red pepper flakes for a little kick.
    • Amp up the veggies: This is also delicious with some sautéed mushrooms or spinach added. Better yet, add both.
    • Add bacon jam: This spaghetti squash carbonara already has onions and pancetta, why not add some delicious Keto Bacon Jam too?
    A spaghetti squash shell filled with low carb spaghetti squash carbonara - pancetta, onion, garlic, egg, parmesan and parsley

    Frequently Asked Questions

    How to pick the best spaghetti squash

    A perfectly ripe spaghetti squash will be firm and have a deep yellow color. It will have some weight to it and will feel heavier than it looks. The stem should be firm and dry. Try to select a spaghetti squash without soft spots or cracks in the shell.

    Does carbonara have raw eggs?

    While the eggs are added raw, they are slowly cooked as they are tossed with the hot spaghetti squash, pancetta, and onions. Adding them this way is what gives this pasta it's creaminess without making an actual sauce.

    a large serving bowl, filled with spaghetti squash pasta with pancetta, parsley, and parmesan cheese

    What to serve with Low Carb Carbonara

    • Steamed Artichokes with Lemon Caper Aioli
    • Keto Everything Buns
    • Cheesy Garlic Creamed Spinach
    • Prosciutto, Peach, and Melon Salad
    • Lemon Pepper Green Beans
    A spaghetti squash shell filled with low carb spaghetti squash carbonara - pancetta, onion, garlic, egg, parmesan and parsley

    More Keto Recipes

    • An enameled cast iron skillet with roasted broccoli, homemade cheese sauce and chopped crispy bacon.
      Keto Broccoli with Cheese Sauce and Bacon
    • An enameled cast iron skillet with cooked chicken breasts, topped with a caramelized onion pan sauce and melty cheese.
      Keto French Onion Chicken
    • A serving plate with a chicken breast that is stuffed and then wrapped in prosciutto and topped with pesto cream sauce and toasted pine nuts.
      Stuffed Chicken with Pesto Cream Sauce
    • A serving bowl with bite sized pieces of chicken, enchilada sauce, cheese, avocado, cilantro and pico de Gallo.
      Keto Chicken Enchilada Bowls

    REVIEW AND FOLLOW: Have you tried this recipe? If so, please leave a comment and ⭐️ rating below. If you make our recipes and share them, be sure to use our hashtag #peaceloveandlowcarb on social! We love seeing what you are making. FOLLOW us on FACEBOOK | INSTAGRAM | PINTEREST for more delicious recipes.

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    a large serving bowl, filled with spaghetti squash pasta with pancetta, parsley, and parmesan cheese

    Spaghetti Squash Carbonara - low carb, keto, gluten free


    ★★★★★

    4.7 from 9 reviews

    • Author: Kyndra Holley
    • Total Time: 1 hour 15 minutes
    • Yield: 6 Servings 1x
    • Diet: Diabetic
    Print Recipe
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    Description

    This Low Carb Spaghetti Squash Carbonara has all the delicious flavors of a traditional pasta based carbonara, but in a low carb, keto-friendly version. Perfectly roasted spaghetti squash, with smoky pancetta, onions, garlic, and a creamy sauce, topped with lots of grated parmesan cheese and fresh parsley. It is the perfect low carb pasta substitution. 


    Ingredients

    Units Scale
    • 1 large spaghetti squash
    • 1 tablespoon olive oil
    • sea salt and black pepper
    • 8 ounces pancetta, diced
    • 1 small onion, diced
    • 3 cloves garlic. minced
    • 2 large eggs
    • 1 tablespoon chopped fresh flat-leaf parsley, extra for garnish
    • ½ cup finely grated Parmesan cheese
    • 1 teaspoon sea salt, more to taste
    • ¼ teaspoon black pepper
    • ½ cup shredded Parmesan cheese

    Instructions

    1. Preheat oven to 400°F. Line a rimmed baking sheet with parchment paper
    2. Cut spaghetti squash in half crosswise (Cutting it this way will make for longer, more spaghetti like shreds). Scrape out the seeds. Drizzle the squash halves with olive oil and sprinkle with a little sea salt and black pepper. Place cut side down on baking sheet. Bake for 45 minutes or until fork tender and the shreds pull away from the skin effortlessly.
    3. While the spaghetti squash is roasting, heat a large skillet over medium heat.  Add pancetta to the pan and cook until crispy. To the pan, add the onion and the garlic. Cook until translucent and soft.  Once the spaghetti squash is roasted, use a fork to scrape out the shreds of squash. If there is a lot of excess moisture from the spaghetti squash shreds, use paper towels to dab the squash and remove as much excess moisture as possible.
    4. Add the spaghetti squash to the skillet and toss with pancetta, onion and garlic. Make sure that spaghetti squash is nice and hot.
    5. In a large mixing bowl, whisk together eggs, parsley, grated Parmesan, sea salt and black pepper.  To the mixing bowl, add squash mixture and toss with egg mixture. The heat of the spaghetti squash will cook the eggs just enough to coat them to the strands of squash without scrambling them.
    6. Top with shredded Parmesan, and garnish with parsley before serving.

    Notes

    • Dry the Spaghetti Squash: If your roasted spaghetti squash has a lot of excess moisture, be sure to dry it as much as possible by dabbing it with paper towels. You don't want the excess moisture to water down your sauce. 
    • Storage: Store leftovers in the refrigerator for up to 4 days. 
    • Reheating: I recommend reheating this in a pan on the stovetop. 
    • Add another protein: This is also delicious with some shrimp or chicken added. I like to use shredded rotisserie chicken.
    • Add heavy cream: While traditional carbonara does not have cream, this keto spaghetti squash carbonara is extra delicious with some heavy cream added to give it a richer, creamier sauce. 
    • Prep Time: 15 minutes
    • Cook Time: 60 minutes
    • Category: Pasta Recipes
    • Method: Baking
    • Cuisine: Italian

    Nutrition

    • Calories: 340
    • Fat: 19g
    • Carbohydrates: 10g net
    • Protein: 13g

    Keywords: keto pasta recipes, low carb pasta recipes, keto carbonara, low carb carbonara, spaghetti squash carbonara, low carb spaghetti squash recipes, keto spaghetti squash recipes, gluten free carbonara, low carb carbonara, low carb pasta substitutions

    Did you make this recipe?

    Tag @kyndraholley on Instagram and hashtag it #peaceloveandlowcarb

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    Reader Interactions

    Comments

    1. Natalie Ehrlich says

      March 03, 2019 at 11:05 am

      I made this recipe and my squash also got really soupy. The taste was good and it makes a nice side dish. I ate a portion and the rest turned really soupy so I didn't save it for leftovers. I double roasted the squash (cut it in half & roasted it, then scrapped it out and roasted the strands again to get out more moisture) and it still ended up with a lot of liquid in the end. I would recommend making a smaller portion and eating it right away. It had great flavor otherwise.

      ★★★★

      Reply
    2. Ruth says

      January 01, 2019 at 1:36 pm

      Delicious. We added shrimp and lobster chunks. My wS a bit soupy but it's out of this world GOOD.

      Reply
    3. Barbara says

      October 02, 2018 at 2:28 pm

      Can you use bacon instead of pancetta?

      Reply
      • Peace Love and Low Carb says

        October 03, 2018 at 5:49 am

        Sure!

        Reply
    4. Brooke says

      October 02, 2018 at 10:44 am

      Love this recipe! I made it last night and it is the first Keto "pasta" dish I've made that doesn't make me miss actual pasta! I used Miracle Noodles because I didn't have spaghetti squash and added red pepper flakes since I need spice in everything. It tastes just as good as left-overs too. Thank you for sharing!

      ★★★★★

      Reply
    5. Lauren says

      February 12, 2017 at 8:07 pm

      I just made this and it was delish! I usually make a family recipe for carbonara, and, even with the squash substituted for pasta it was really yummy and tasted similar to my original recipe. I agree that it came out pretty watery, but I didn't really mind. Also, I added frozen peas because my family recipe has them and they were very good in it and add a little color.

      Reply
    6. Claire says

      April 27, 2016 at 6:03 am

      Delicious. I loved the crispy of the pancetta. The whole family devoured it. This was also pretty easy to make. Will certainly want to make this again. thank you.

      Reply
    7. Mitra says

      January 01, 2016 at 11:31 pm

      I thought dairy wasn't paleo?

      Reply
      • Peace Love and Low Carb says

        January 03, 2016 at 11:21 am

        This isn't a paleo recipe.

        Reply
    8. Brigid says

      October 28, 2015 at 7:23 am

      This looks great! Nom Nom Paleo has instructions for preparing spaghetti squash in a pressure cooker. I think I'll give your recipe a whirl tonight with that cooking method.

      Reply
    9. Fannelly says

      November 13, 2014 at 4:42 pm

      Can't wait to TRY IT!!!! have been looking for different ways to make spaghetti squash! this looks delish!

      Reply
    10. Cathy says

      August 04, 2014 at 6:47 pm

      That was awesome! Thanks for sharing 🙂

      Reply
      • Peace Love and Low Carb says

        August 05, 2014 at 2:04 pm

        I'm so happy you enjoyed it!

        Reply
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    About Kyndra


    Kyndra
    Hey there! Welcome to my site! I am Kyndra Holley - International Best Selling Cookbook Author, and the face behind this blog. I am an avid lover of all things low carb, keto and gluten free. I focus on real, whole food ingredients that you can find at your local grocer. Read more about Peace Love and Low Carb...

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