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The Best Creamy & Easy Spaghetti Squash Alfredo

A beautiful bowl of homemade, creamy Spaghetti Squash Alfredo being served for a healthy dinner.

A low-carb and gluten-free take on a creamy pasta dish, this recipe uses roasted spaghetti squash in place of traditional pasta. The ‘noodles’ are tossed in a rich, Alfredo-style sauce made with crispy pancetta, shallots, heavy cream, and Parmesan cheese. A splash of white wine deglazes the pan, and the sauce is finished with sweet peas, fresh thyme, and a hint of nutmeg. The entire dish comes together in one skillet after the squash is roasted.

Ingredients

  • 1 medium spaghetti squash (about 3 pounds)
  • 4 ounces pancetta, diced (about 3/4 cup)
  • 1 small shallot, diced
  • 1 teaspoon chopped fresh thyme
  • 1/4 cup dry white wine
  • 1 1/2 cups heavy cream
  • Pinch of freshly grated nutmeg
  • Kosher salt and freshly ground pepper
  • 1 cup frozen peas, thawed
  • 1/2 cup grated parmesan cheese (about 1 ounce)
  • 2 tablespoons finely chopped fresh parsley

Instructions

  1. Roast the Spaghetti Squash: Preheat the oven to 400°F. Cut the spaghetti squash in half lengthwise and scoop out the seeds. Drizzle the cut sides with olive oil and season with salt and pepper. Place the halves cut-side down on a baking sheet. Roast for 30-40 minutes, until tender. Once cool enough to handle, use a fork to scrape the flesh into spaghetti-like strands.
  2. Make the Sauce: While the squash roasts, cook the diced pancetta in a large skillet over medium heat, stirring occasionally, for about 6 minutes until crisp. Transfer the pancetta to a paper towel-lined plate using a slotted spoon, leaving the rendered fat in the skillet.
  3. Add the shallot and thyme to the skillet and cook for about 2 minutes, until softened.
  4. Stir in the white wine and cook for about 1 minute, scraping up any browned bits from the bottom of the pan, until the wine has mostly evaporated.
  5. Add the heavy cream, nutmeg, 1/2 teaspoon of salt, and a few grinds of pepper. Increase the heat to medium-high and cook, stirring, for about 3 minutes until the sauce has slightly thickened.
  6. Stir in the thawed peas and the Parmesan cheese. Continue cooking for 1 more minute until the sauce is thick and creamy. Remove from the heat.
  7. Combine and Serve: Add the spaghetti squash strands and the crispy pancetta to the sauce. Return the skillet to medium heat and cook for about 1 minute, stirring, until everything is combined and heated through.
  8. Season with more salt and pepper to taste and sprinkle with the fresh parsley before serving.

Notes

  • The instructions for roasting the spaghetti squash were not fully detailed in the article and have been filled in with the standard method.
  • Building the sauce in the same skillet used to cook the pancetta is a key step that incorporates a rich, savory flavor into the final dish.
  • This recipe is a great gluten-free and lower-carbohydrate alternative to traditional pasta Alfredo.
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