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    Home » Recipes » Dinner Recipes

    Published: Jan 9, 2014 · Last Updated: Oct 19, 2023 by Kyndra Holley

    Spaghetti Squash Carbonara

    This post may contain affiliate links

    Jump to Recipe·Print Recipe· 4.7 from 10 reviews
    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

    • A bowl of creamy taco soup made with ground beef, onion, garlic, cream cheese, beef stock, diced tomatoes and green chilies. Garnished with avocado, tomato, cheese, and cilantro.
      Keto Taco Soup
    • A white serving bowl full of homemade slow cooker beef stew, with a spoon in the bowl and chopped parsley on the side.
      Keto Beef Stew (low carb, gluten free)
    • A white casserole dish with chicken breasts topped with cheese, bacon and green onions.
      Keto Crack Chicken (Cheesy Bacon Ranch Chicken)
    • A white ceramic skillet full of a creamy chicken dish with chicken breasts, spinach, sun-dried tomatoes, garlic, onion, parmesan cheese and heavy cream.
      Creamy Keto Tuscan Chicken (Marry Me Chicken)
    Print
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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


    5 Stars 4 Stars 3 Stars 2 Stars 1 Star

    4.7 from 10 reviews

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

    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

    Did you make this recipe?

    Tag @kyndraholley on Instagram and hashtag it #peaceloveandlowcarb

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    Reader Interactions

    Comments

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      Recipe rating 5 Stars 4 Stars 3 Stars 2 Stars 1 Star

    1. Sherri says

      September 04, 2023 at 1:09 pm

      So delicious! One of my new favorites!

      Reply
    2. Susan says

      October 18, 2022 at 12:56 pm

      Made this last night and it was delicious! Cooked the squash In the slow cooker for 2 hrs on high. Let it cool and took all the meat out and place in a strainer for several hours to drain excess liquid. Didnt have bacon/pancetta so used ham and diced up small and sauteed until brown and crisp. Added squash to pan with meat and the sauteed onion/garlic (2 cloves was plenty) added to egg/cheese mixture and some thawed frozen peas. was a bit dry so added 1/3 cup half and half. Will definitely be making this again!!!

      Reply
    3. Cailean says

      June 28, 2022 at 6:06 pm

      Pretty darn tasty!! I made this. But used wine braised bratwurst instead if the pancetta. It came out good! I, like many others, was unable to cook the egg how it instructed. I forgot to dry my squash noodles, first. I still didn't trust the soupy egg mixture in the bottom, so I threw it on the stove and finished it off!

      Reply
    4. Mary says

      October 16, 2021 at 1:37 pm

      This was absolutely delicious! Thank you so much for sharing it 😊

      Reply
    5. Sheryl says

      September 28, 2021 at 11:20 pm

      Delicious! I ended up finishing it off in my skillet because I had a lot of uncooked egg in the bottom of my bowl and my squash noodles were super hot. But it was yummy. I could have eaten the whole pan by myself!

      Reply
    6. Stacey says

      January 17, 2021 at 5:05 pm

      I sort of made this recipe. I used bacon, dried parsley, and I didn’t have eggs so I used a pad of butter and a small amount of cream (less than 2 tbsp probably), but it was delicious!

      Reply
    7. Carol says

      December 22, 2020 at 6:38 pm

      This was lovely! I was very liberal with the Parmesan cheese,
      Thank you for posting.

      Reply
    8. Whitney says

      August 19, 2020 at 4:02 pm

      I strayed from the recipe (bacon instead of pancetta). Other than the egg not cooking it was great! No worries, just tossed it all back in my work for a few...and done. Thanks!

      Reply
    « Older Comments

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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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