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Creamy Garlic Parmesan Spaghetti Squash Soup

A close-up of a white bowl filled with creamy spaghetti squash soup, topped generously with shredded Parmesan cheese and black pepper.

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Make this comforting, low-carb spaghetti squash soup that uses the squash strands as a healthy alternative to pasta. It is simple to prepare for a weeknight dinner.

Ingredients

Scale
  • 1 medium spaghetti squash
  • 1 tablespoon olive oil
  • 1 medium yellow onion, chopped
  • 2 cloves garlic, minced
  • 4 cups low-sodium chicken or vegetable broth
  • 1 cup heavy cream or half-and-half
  • 1/2 cup grated Parmesan cheese, plus more for topping
  • 1/2 teaspoon dried thyme
  • 1/4 teaspoon black pepper
  • Salt to taste

Instructions

  1. Prepare the spaghetti squash: Preheat your oven to 400 degrees Fahrenheit. Cut the squash in half lengthwise and scoop out the seeds. Place the halves cut-side down on a baking sheet. Roast for 30 to 40 minutes, or until tender when pierced with a fork.
  2. Use a fork to scrape out the flesh, creating spaghetti-like strands. Set aside about 2 cups of the strands for the soup; reserve any extra for another use.
  3. In a large pot or Dutch oven, heat the olive oil over medium heat. Add the chopped onion and cook until soft, about 5 minutes.
  4. Add the minced garlic and cook for 1 minute until fragrant. Do not let the garlic burn.
  5. Pour in the broth and add the dried thyme. Bring the mixture to a simmer.
  6. Stir in the reserved spaghetti squash strands. Cook for 5 minutes to allow the flavors to combine.
  7. Reduce the heat to low. Stir in the heavy cream and Parmesan cheese until the cheese melts and the soup is creamy.
  8. Season with salt and pepper. Taste and adjust seasonings as needed.
  9. Serve the soup hot, topped with extra grated Parmesan cheese.

Notes

  • For a thicker soup, mash about one cup of the squash strands against the side of the pot before adding the cream.
  • If you prefer a broth-based soup instead of creamy, omit the heavy cream and use an additional 1 cup of broth.
  • You can cook the spaghetti squash in a slow cooker if you prefer that method before scraping out the strands.

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