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You are here: Home / Recipes / Main Dish / Pork / Low Carb Spaghetti Squash Carbonara

Low Carb Spaghetti Squash Carbonara

Published September 25, 2019. Last updated January 24, 2022 by Lauren Vavala

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Low Carb Spaghetti Squash Carbonara has only 5 carbs per serving, yet all of the flavor as the traditional recipe. It’s naturally gluten free and takes less than 30 minutes to get this impressive meal on the table!

Overhead View of Two Plates of Spaghetti Squash Carbonara on a wood background with 2 forks and a dark blue napkin

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Spaghetti squash and cauliflower are my two main go-to’s when it comes to transforming traditionally carb-loaded meals into better options for those of us who can’t eat as many carbs as we’d probably like. I don’t like to use zoodles quite as much – unless we are talking about Keto Mac and Cheese Zoodles, then bring it on. But, overall, I prefer spaghetti squash as a noodle replacement.

Isn’t it kind of ironic that the word “carbonara” sounds like a raging party of carbohydrates? The carbonara portion of Spaghetti Carbonara actually has very little, if not zero carbs. That’s right. All the carbs come from the spaghetti.

So, I simply replaced the pasta with lower-carb spaghetti squash. That makes it perfectly suitable for those on a gluten free diet as well.

Now before the carbonara critics come swinging, I’m not saying this recipe is exactly the same as the classic. It can’t be. With this recipe there is no extra pasta water to mix into the sauce, so I use heavy cream instead. And garlic. Because I love garlic and I know I’m not alone. But, if you don’t want to use it, leave it out. No hard feelings.

Another popular recipe using spaghetti squash that I highly recommend is Tuscan Spaghetti Squash.

Why This Recipe Works

It’s a lower calorie, low carb, gluten free alternative to traditional Pasta Carbonara. This recipe is keto-friendly as well.

It takes less than 30 minutes to prepare, making it a delicious dinner recipe for any night of the week.

It’s casual enough for a simple family meal, yet impressive enough when entertaining dinner guests.

Step-By-Step Instructions

Prep!

Be sure to have all your ingredients out and ready to go, as this recipe comes together fairly quickly.

Dice the bacon, mince the garlic, and shred the cheese, if necessary, before you begin.

Create!

Cooked Spaghetti Squash In a Bowl over a wood background

Pierce the spaghetti squash about 8 times with a knife, making sure it goes all the way into the center.  Microwave on a plate on high for 8-10 minutes or until tender. Let it cool enough so that you can handle it, then cut it in half.  Remove the seeds and then using a fork scrap all the flesh out into microwave-safe bowl. You should have about 5-6 cups. Set aside.

Tip: if you prefer, you can roast the spaghetti squash in the oven but it does take significantly longer to cook that way.

While the spaghetti squash is cooking and cooling, you can start preparing the other parts of the recipe.

In a small bowl, whisk together the cheese, eggs, egg yolks, and black pepper. Set aside.

Bacon Cooking in a Skillet close up

Heat the oil in a large, deep skillet over medium heat. Dice the bacon and add it to the hot oil. Cook until crisp, about 5 minutes. Add the garlic and cook for about 1 minute. Drain all but about 2 tablespoons of the bacon grease out of the pan.

Spaghetti Squash Tossed with Bacon Mixture in a skillet close up

Add the spaghetti squash to the skillet with the bacon and toss to coat. Cook until completely heated through. This is very important as it’s the heat from the squash that will lightly cook the egg mixture as it’s stirred in.

Spaghetti Squash Carbonara Mixed in the Skillet close up

Remove the pan from the heat and whisk in the cheese and egg mixture for a minute or two. Add heavy cream slowly, until your desired level creaminess is reached.

Present!

Close up of a serving of Spaghetti Squash Carbonara on a white plate

Divide the carbonara evenly between 4 plates and top with extra cheese, black pepper, and parsley, if desired.

Tip: you will likely have some extra sauce in the bottom of your bowl, as well, since the spaghetti squash doesn’t absorb any of it like traditional pasta does.  But, is a little extra sauce ever really a bad thing, especially in a world where there’s often too little sauce? I don’t think so. Spoon it over the carbonara for even more flavor!

Tips and Techniques

  • If preferred, you can roast the spaghetti squash in the oven rather than microwaving it. This method does take longer and will extend the total time it takes to make this recipe.
  • Spoon the extra sauce in the bottom of the pan over the plates of carbonara for even more flavor.
  • Store cooled leftovers in an air-tight container in the refrigerator. Use within 3-4 days.

FAQ’s

  • Is carbonara safe to eat? So long as the spaghetti squash and bacon fat are hot, it should be enough to lightly cook the eggs, therefore making it safe to eat. The degree of safeness consuming the eggs in carbonara is comparable to that of poached or over-easy eggs.
  • Can carbonara be reheated? While carbonara is best enjoyed immediately after being prepared, it can be reheated on the stove top or in the microwave.

More Low Carb Spaghetti Squash Recipes

Tuscan Chicken and Spaghetti Squash
This recipe using spaghetti squash is a delicious low carb, gluten free alternative to traditional pasta dishes. Tuscan Chicken and Spaghetti Squash is creamy, flavorful, and easy to prepare. Everyone loves a cheesy, rich main course.
Get The Recipe
A black skillet with Tuscan chicken and spaghetti squash with a wood spoon in it.
Spaghetti Squash Cacio e Pepe
Spaghetti Squash Cacio e Pepe is a lightened up version of classic Italian Cacio e Pepe. Instead of being made with pasta, the use of spaghetti squash keeps this equally as cheesy and peppery dish low in calories and carbohydrates, as well as, gluten free.
Get The Recipe
Low Carb Spaghetti Squash Carbonara
Low Carb Spaghetti Squash Carbonara has only 5 carbs per serving, yet all of the flavor as the traditional recipe. It's naturally gluten free and takes less than 30 minutes to get this impressive meal on the table!
Get The Recipe
Low Carb Spaghetti Squash Carbonara

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Low Carb Spaghetti Squash Carbonara
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Low Carb Spaghetti Squash Carbonara

Low Carb Spaghetti Squash Carbonara has only 5 carbs per serving, yet all of the flavor as the traditional recipe. It's naturally gluten free and takes less than 30 minutes to get this impressive meal on the table!
Course Main Dish
Cuisine Gluten Free, Low Carb, Pork
Prep Time 10 minutes
Cook Time 15 minutes
Total Time 25 minutes
Servings 6 servings
Calories 275kcal
Author Lauren Harris

Ingredients

  • 1 medium spaghetti squash
  • 1 cup Parmesan Romano Cheese * finely shredded
  • 2 eggs
  • 2 egg yolks
  • 1/4 teaspoon black pepper
  • 1 tablespoon extra virgin olive oil
  • 6 slices bacon
  • 2 cloves garlic * minced
  • 1/4 cup heavy cream

Instructions

  • Pierce the spaghetti squash about 8 times with a knife, making sure it goes all the way into the center.
  • Microwave on a plate on high for 8-10 minutes or until tender.
  • Let it cool enough so that you can handle it. Once cool, cut it in half and remove the seeds. Then, using a fork scrap all the flesh out into a bowl. Set aside.
  • Meanwhile, in a small bowl, whisk together the cheese, eggs, egg yolks, and black pepper. Set aside.
  • Heat the oil in a large, deep skillet over medium heat.
  • Add the diced bacon to the hot oil. Cook until crisp, about 5 minutes.
  • Add the garlic and cook for about 1 minute. Drain all but about 2 tablespoons of the bacon grease out of the pan.  
  • Add the spaghetti squash to the skillet with the bacon and toss to coat. 
  • Continue to cook a few more minutes until the spaghetti squash is hot throughout.
  • Remove the pan from the heat and whisk in the cheese and egg mixture until well blended and creamy.
  • Add the heavy cream slowly, until desired creaminess is reached.
  • Serve topped with extra cheese, black pepper, and parsley, if desired.

Notes

Tips and Techniques for the Best Low Carb Spaghetti Squash Carbonara

  • If preferred, you can roast the spaghetti squash in the oven rather than microwaving it. This method does take longer and will extend the total time it takes to make this recipe.
  • Spoon the extra sauce in the bottom of the pan over the plates of carbonara for even more flavor.
  • Store cooled leftovers in an air-tight container in the refrigerator. Use within 3-4 days.
** Nutritional information is an estimate and may vary.

Nutrition

Serving: 1serving | Calories: 275kcal | Carbohydrates: 5g | Protein: 12g | Fat: 22g | Saturated Fat: 9g | Cholesterol: 162mg | Sodium: 436mg | Potassium: 150mg | Sugar: 1g | Vitamin A: 515IU | Vitamin C: 1.3mg | Calcium: 220mg | Iron: 0.8mg

This recipe was originally published February 26, 2018. It was updated with more thorough instructions, tips, techniques, and FAQ’s in September 2019.

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Delicious Little Bites is where I share all types of recipes from appetizers to desserts. You will also find plenty of keto, gluten free, and vegetarian recipes here to help you put a delicious meal on the table every night that the whole family will love! Read More...

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