Creamy Boursin Spaghetti Squash

My sister rolled her eyes when I first put spaghetti squash on the table, claiming nothing that looked like pasta could actually satisfy her carb cravings. That skepticism vanished the moment she took her first bite of this creamy, herbaceous version, declaring it better than the real thing. Now its the one dish she actually requests when she visits, which says everything about how comforting vegetable based meals can be.

Last autumn I made this for a dinner party where two guests were doing keto and another was just trying to eat fewer carbs. I watched them all go back for seconds, completely forgetting they were eating vegetables. The silence around the table was the best kind of compliment everyone too busy enjoying their food to make conversation.

Ingredients

• 1 large spaghetti squash: Pick one thats heavy for its size with a hard, unblemished shell, about 1.2 kg / 2.5 lbs
• 2 cups baby spinach leaves: Fresh spinach wilts beautifully and adds a pop of color against the pale squash
• 1 small shallot: Finely chopped, shallots bring a mild sweetness that regular onions lack
• 2 cloves garlic: Minced fresh because nothing compares to that aromatic punch
• 1 package Boursin Garlic & Fine Herbs cheese: This creamy French cheese is the secret to making vegetables feel indulgent, about 150 g / 5.3 oz
• 2 tbsp grated Parmesan cheese: Adds a salty, nutty finish that ties everything together
• 2 tbsp olive oil: Split between roasting the squash and sautéing the aromatics
• 1/4 tsp freshly ground black pepper: Freshly ground makes a noticeable difference here
• 1/4 tsp kosher salt: Enhances the natural sweetness of the squash as it roasts
• Pinch of red pepper flakes: Optional but lovely if you like a gentle warmth in the background

Instructions

Roast the squash:

Preheat your oven to 400°F (200°C) and line a baking sheet with parchment paper. Cut the spaghetti squash in half lengthwise, scoop out the seeds, then drizzle the cut sides with 1 tablespoon olive oil, salt, and pepper. Place the halves cut side down and roast for 35 to 40 minutes until the flesh is tender and shreds easily with a fork.

Sauté the aromatics:

While the squash roasts, heat the remaining 1 tablespoon olive oil in a large skillet over medium heat. Add the chopped shallot and garlic, sautéing for 2 to 3 minutes until fragrant and softened.

Wilt the spinach:

Toss in the baby spinach and stir gently until it wilts down, about 2 minutes. Remove the skillet from heat and set aside while you finish the squash.

Shred the squash:

When the squash is cool enough to handle, use a fork to scrape the flesh into strands, working crosswise to create those spaghetti like threads. Add all the strands directly into the skillet with the spinach mixture.

Bring it together:

Crumble the Boursin cheese over the squash and spinach, then toss everything together until the cheese melts and coats every strand. Taste and add more salt, pepper, or red pepper flakes if needed.

Finish and serve:

Transfer the creamy mixture to a serving dish and sprinkle with grated Parmesan cheese. Serve while still warm and gooey.

Save

This dish has become my go to when friends say they are trying to eat healthier but still want something that feels special. Theres something almost magical about watching a plain vegetable transform into a meal that makes people close their eyes and savor every bite.

Make It Your Own

Sautéed mushrooms or roasted cherry tomatoes add wonderful depth if you want to bulk up the vegetables. Sometimes I add a handful of chopped walnuts for crunch or stir in some fresh herbs at the end for brightness.

Perfect Pairings

A crisp white wine like Sauvignon Blanc cuts through the richness beautifully. I also love serving this with a simple arugula salad dressed in lemon vinaigrette to add some freshness to the plate.

Storage and Reheating

This keeps well in the refrigerator for up to three days and actually reheats beautifully in the microwave. The Boursin creates a creamy sauce that holds everything together even after chilling. Reheat gently with a splash of water to loosen the strands if needed.

• Leftovers make an excellent lunch the next day
• Add a fried egg on top for a quick breakfast upgrade
• Freezing is not recommended as the texture becomes watery

Save

Theres a quiet joy in serving something so simple yet so completely satisfying. This recipe reminds me that comfort food does not have to be heavy to be memorable.

Recipe FAQs

→ Is spaghetti squash a good pasta substitute?

Spaghetti squash creates noodle-like strands when cooked, making it an excellent low-carb alternative to pasta. It has a mild, slightly sweet flavor that pairs beautifully with creamy sauces and cheeses like Boursin.

→ Can I use a different type of Boursin cheese?

Absolutely! While Garlic & Fine Herbs is classic, you can experiment with other Boursin varieties like Shallot & Chive or Pepper for different flavor profiles. The creamy texture melts beautifully regardless of the variety.

→ How do I know when the squash is done roasting?

The squash is ready when the flesh is tender and easily shreds into strands with a fork. This typically takes 35-40 minutes at 400°F. You should be able to scrape the flesh away from the skin without resistance.

→ Can I make this dish ahead of time?

You can roast the squash and prepare the spinach mixture up to 2 days in advance. Store them separately in the refrigerator, then combine with fresh Boursin when ready to serve. Reheat gently on the stovetop.

→ What can I serve with Boursin spaghetti squash?

This dish stands well alone as a light main, but pairs nicely with a crisp green salad, roasted chicken, or crusty gluten-free bread. A chilled glass of white wine complements the creamy, herbaceous flavors perfectly.