diarecipes.com

  • Recipes
    • breakfast
    • dessert
    • salads
    • appetizers
    • drinks
    • snacks
    • dinner
    • soups
  • About
  • contact
menu icon
go to homepage
  • Recipes
    • breakfast
    • dessert
    • salads
    • appetizers
    • drinks
    • snacks
    • dinner
    • soups
  • About
  • contact
search icon
Homepage link
  • Recipes
    • breakfast
    • dessert
    • salads
    • appetizers
    • drinks
    • snacks
    • dinner
    • soups
  • About
  • contact
×

Indulgent Creamy Spinach and Mushroom Stuffed Spaghetti Squash

Published: Oct 4, 2025 by Dia Martinez · This post may contain affiliate links · Leave a Comment

As I slid the roasting spaghetti squash into the oven, a wave of anticipation washed over me. The thought of my Creamy Spinach and Mushroom Stuffed Spaghetti Squash conjured images of a hearty, satisfying meal that feels indulgent without the guilt—perfect for a cozy dinner or impressing friends on special occasions. What I love most is how this vegetarian dish cleverly captures the essence of creamy pasta while remaining low-carb and gluten-free. With the earthiness of mushrooms and the freshness of spinach mingling beautifully in a savory filling, this recipe is not only budget-friendly but also awakens that inner chef in all of us. Curious about how to create this show-stopping dish for your next gathering? Let’s dive into the delicious details!

Why is this stuffed squash a must-try?

Unique presentation: The spaghetti squash acts as a stunning vessel, offering an eye-catching twist to your dining table that will leave guests amazed.
Flavor harmony: Earthy mushrooms and fresh spinach blend flawlessly, creating a savory filling that dances on your taste buds.
Health-conscious: This dish is a delightful alternative, being low-carb, gluten-free, and vegetarian—perfect for anyone seeking to eat lighter without sacrificing flavor.
Versatile and adaptable: Feel free to customize it! Try a vegan version with dairy-free cream cheese or add protein like shredded chicken or chickpeas for extra heartiness.
Quick prep: A straightforward recipe that comes together in about an hour, it’s ideal for busy nights yet impressive for entertaining.
Transform your dinners with this deliciously satisfying Creamy Spinach and Mushroom Stuffed Spaghetti Squash—a true celebration of wholesome flavors that will impress everyone at the table!

Creamy Spinach and Mushroom Stuffed Spaghetti Squash Ingredients

For the Spaghetti Squash
• 1 large spaghetti squash – A low-carb alternative that serves as the perfect vessel for your savory filling.
• 2 tablespoons olive oil – Adds richness and promotes roasting; substitute with avocado oil for a fresh twist.
• Salt and pepper – Essential for enhancing flavors; customize to your taste.

For the Filling
• 1 onion, chopped – Provides sweetness and depth; shallots make a milder alternative.
• 3 cloves garlic, minced – Aroma enhancer that elevates the savory notes.
• 8 oz (about 225 g) mushrooms, sliced – Brings earthiness to the dish; consider using cremini or shiitake mushrooms for a different flavor profile.
• 4 cups fresh spinach, chopped – Infuses freshness and nutrients; swap with kale or Swiss chard for more texture.
• ½ cup cream cheese – Creates a creamy filling; opt for dairy-free cream cheese for vegan variations.
• ¼ cup grated Parmesan cheese – Adds a savory cheese flavor; nutritional yeast can replace it for a vegan version.
• ½ teaspoon red pepper flakes (optional) – Introduces heat; adjust based on your spice preference.
• Fresh parsley, chopped (for garnish) – Provides a pop of color and enhances freshness.

Get ready to craft this delightful, comforting dish that is sure to impress your family and friends! Happy cooking!

Step‑by‑Step Instructions for Creamy Spinach and Mushroom Stuffed Spaghetti Squash

Step 1: Preheat the Oven
Begin by preheating your oven to 400°F (200°C). This will ensure it reaches the perfect temperature for roasting. Meanwhile, prepare your baking sheet by lining it with parchment paper to make cleaning easier later on.

Step 2: Prepare the Spaghetti Squash
Carefully cut the large spaghetti squash in half lengthwise, and scoop out the seeds and stringy pulp. Drizzle 1 tablespoon of olive oil over the cut sides, then season generously with salt and pepper. Place the squash cut-side down on the prepared baking sheet and roast for 40-45 minutes, or until the flesh is tender and easily pierced with a fork.

Step 3: Sauté the Onions
While the squash roasts, heat the remaining tablespoon of olive oil in a large skillet over medium heat. Add the chopped onion and sauté for about 5 minutes until it’s translucent and fragrant, stirring occasionally to prevent sticking. This step builds a flavorful base for your filling.

Step 4: Cook the Mushrooms and Garlic
Next, add the minced garlic and sliced mushrooms to the skillet. Cook for 7-8 minutes, stirring frequently, until the mushrooms are browned and their liquid has evaporated. You’re looking for a nice caramelization on the mushrooms, which will deepen the flavor of your creamy filling.

Step 5: Add the Spinach
Once the mushrooms are ready, stir in the chopped spinach. Cook for 2-3 minutes, just until the spinach wilts down. This adds a vibrant color and a nutritious element to your Creamy Spinach and Mushroom Stuffed Spaghetti Squash filling.

Step 6: Combine the Creamy Filling
Now it’s time to mix in the cream cheese. Stir it into the skillet until melted and fully incorporated with the spinach mixture. This creamy base will create a rich filling that brings the entire dish together, enhancing the overall texture and flavor.

Step 7: Season the Mixture
Incorporate the grated Parmesan cheese and optional red pepper flakes, adjusting seasoning with salt and pepper as needed. Let the mixture simmer for an additional 1-2 minutes, allowing the flavors to meld beautifully and create a savory, indulgent filling for your spaghetti squash.

Step 8: Assemble and Bake Again
Once the roasted spaghetti squash is fork-tender, scrape its insides into strands. Mix these strands with the creamy filling or keep them separate. Fill each half with the savory mixture and return the stuffed squash to the oven. Bake for another 10-15 minutes until heated through and lightly golden on top.

Step 9: Garnish and Serve
Finally, take your Creamy Spinach and Mushroom Stuffed Spaghetti Squash out of the oven. Sprinkle fresh chopped parsley on top for a pop of color and freshness. Serve immediately, offering this delightful dish that beautifully showcases the flavors and textures of each ingredient!

What to Serve with Creamy Spinach and Mushroom Stuffed Spaghetti Squash

A delightful meal deserves delightful accompaniments, enhancing your dining experience and rounding it out perfectly.

  • Crisp Green Salad: A refreshing mix of greens with a zesty vinaigrette adds a bright contrast to the rich filling.
  • Roasted Brussels Sprouts: The caramelized sweetness of roasted Brussels sprouts complements the earthiness of the dish—a classic pairing!
  • Garlic Bread: Crusty, buttery garlic bread is perfect for soaking up any extra creamy filling left on your plate. It's hard to resist!
  • Sautéed Asparagus: Tender asparagus, lightly seasoned, brings a fresh crunch that balances beautifully with the creamy squash.
  • Quinoa Pilaf: Light and nutritious, quinoa pilaf packed with herbs and lemon provides a flavorful side that enhances the meal's overall vibrancy.
  • Chardonnay or Sauvignon Blanc: A glass of crisp white wine elevates the flavors of the dish, making for a sophisticated touch.
  • Lemon Sorbet for Dessert: To cleanse the palate and finish on a refreshing note, this light dessert provides a lovely contrast to the meal.

Expert Tips for Creamy Spinach and Mushroom Stuffed Spaghetti Squash

Perfectly Cooked Squash: Ensure the spaghetti squash is fork-tender; if it’s not soft enough after roasting, give it more time in the oven.

Frozen Spinach Prep: If using frozen spinach, always thaw and squeeze out excess water to avoid a watery filling that could oversaturate the dish.

Extra Cheesy Touch: For a richer flavor and texture, add a sprinkle of shredded mozzarella on top of the filling before the final bake.

Make Ahead Magic: The squash can be prepared a day in advance—just assemble it before baking to ensure optimal freshness and flavor.

Substitution Savvy: Feel free to swap ingredients to suit your taste! Try adding diced tomatoes or using different greens in your Creamy Spinach and Mushroom Stuffed Spaghetti Squash for variety.

Storage Solutions: Leftovers can be stored in the refrigerator for up to 3 days or frozen separately. Reheat gently for the best results!

Make Ahead Options

These Creamy Spinach and Mushroom Stuffed Spaghetti Squash are perfect for busy weeknights and meal prep! You can roast the spaghetti squash up to 24 hours in advance and store the halves in the refrigerator. Prepare the filling (mushrooms, spinach, and cream cheese mixture) a day ahead as well, keeping it in an airtight container for optimal freshness. When ready to serve, simply reheat the filling in a skillet until warmed through, fluff the squash strands with a fork, fill each half with the mixture, and then bake at 350°F (175°C) for 10-15 minutes until heated through and golden. This way, you can have a delicious, home-cooked meal with minimal last-minute effort!

Creamy Spinach and Mushroom Stuffed Spaghetti Squash Variations

Let your creativity shine by customizing this delightful dish to meet your taste preferences and dietary needs.

  • Dairy-Free: Use dairy-free cream cheese and nutritional yeast instead of Parmesan for a delicious vegan alternative.
    Transforming the flavors doesn’t compromise richness. It’s a smart choice for anyone avoiding dairy without losing that creamy goodness!

  • Protein-Packed: Add shredded chicken, crumbled turkey sausage, or chickpeas to the filling for an extra source of protein.
    This twist not only enhances heartiness but also makes it a satisfying meal for even the hungriest of diners.

  • Spice It Up: Throw in some diced jalapeños or a dash of your favorite hot sauce for a spicy kick.
    Bring the heat to elevate the flavor profile and create a bold dish that leaves a lasting impression.

  • Texture Twist: Swap out the spinach for kale or Swiss chard for a heartier filling; both offer unique textures and flavors.
    Kale stands up wonderfully to cooking, maintaining a delightful chewiness that complements the creamy mixture beautifully.

  • Mushroom Medley: Try substituting the mushrooms with various types like shiitake, portobello, or even a blend for a deeper earthiness.
    Each variety brings its own character to the dish, crafting layers of flavor that make your taste buds dance!

  • Nutty Crunch: Add some toasted pine nuts or sunflower seeds for a delightful crunch and extra nutrition.
    Not only do they enhance the texture, but they also elevate the dish visually, making it even more appealing.

  • Herb Infusion: Mix in fresh herbs like basil or thyme along with the filling for an aromatic lift.
    The herbal notes can make this delicious dish feel like a gourmet meal worthy of any dinner party!

  • Savory Additions: Stir in some sun-dried tomatoes or roasted red peppers to the filling for a pop of flavor and color.
    These ingredients bring a lovely depth to the dish, creating a vibrant filling that pairs beautifully with the squash.

Feel inspired to whip up this stunning dish with all kinds of variations! Looking for more mouthwatering ideas? Check out our guide on vegetarian meal prep to keep your kitchen adventures exciting!

How to Store and Freeze Creamy Spinach and Mushroom Stuffed Spaghetti Squash

Fridge: Store leftovers in an airtight container for up to 3 days, making it easy to enjoy this delicious dish later in the week.

Freezer: The filling can be frozen separately for up to 2 months. Cool it completely before transferring to a labeled freezer bag.

Reheating: To reheat, thaw overnight in the fridge and warm in the oven or microwave until heated through, so you can savor the flavors of your Creamy Spinach and Mushroom Stuffed Spaghetti Squash once more.

Assembly Tip: If you're preparing this dish in advance, consider sous viding the squash separately and assemble just before baking for the best texture and flavor.

Creamy Spinach and Mushroom Stuffed Spaghetti Squash Recipe FAQs

What should I look for when selecting a spaghetti squash?
When choosing a spaghetti squash, look for one that feels heavy for its size and has a smooth, firm skin without any dark spots or blemishes. A squash that's too soft may be overripe, while one that has irregular shapes may not cook evenly. Aim for a size that suits your meal—typically one large squash serves about 4 people.

How should I store the leftovers of my Creamy Spinach and Mushroom Stuffed Spaghetti Squash?
After savoring this delightful dish, you can store leftovers in an airtight container in the refrigerator for up to 3 days. Make sure it has cooled to room temperature before sealing to maintain freshness. If you find you have extra filling, it can also keep well in the fridge and be used for other meals!

Can I freeze the filling for this recipe?
Absolutely! You can freeze the filling of the Creamy Spinach and Mushroom Stuffed Spaghetti Squash for up to 2 months. To do this, allow the filling to cool completely, then transfer it to a labeled freezer bag or container. When you’re ready to enjoy it again, thaw the filling overnight in the fridge and warm it up in a skillet or microwave before stuffing it in a fresh, roasted squash.

What if my spaghetti squash is undercooked?
If after roasting your spaghetti squash you find it’s not tender enough, simply return it to the oven for an additional 10-15 minutes. Make sure to check for fork-tenderness by piercing the flesh, and if it doesn't yield easily, keep it baking until it does. For an even cooking, consider flipping it halfway through the extended roasting time.

Is this recipe suitable for anyone with dietary restrictions?
Yes! The Creamy Spinach and Mushroom Stuffed Spaghetti Squash is vegetarian and gluten-free. If you're looking for vegan options, you can easily substitute the cream cheese with a dairy-free version and the Parmesan with nutritional yeast. As always, check ingredient labels for any potential allergens, especially if you’re serving this dish to others.

How can I enhance the flavor profile of this dish?
For depth and complexity, consider adding a splash of lemon juice or a sprinkle of smoked paprika while mixing the filling. If you're a fan of spice, increasing the amount of red pepper flakes will certainly crank up the heat. Plus, feel free to toss in other veggies like diced bell peppers or zucchini to customize your creamy filling!

Indulgent Creamy Spinach and Mushroom Stuffed Spaghetti Squash

A hearty, satisfying meal featuring Creamy Spinach and Mushroom Stuffed Spaghetti Squash, ideal for a cozy dinner or impressing friends. Low-carb and gluten-free.
Print Recipe
Prep Time 15 minutes mins
Cook Time 45 minutes mins
Total Time 1 hour hr
Servings: 4 servings
Course: dinner
Cuisine: vegetarian
Calories: 250
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Spaghetti Squash
  • 1 large spaghetti squash A low-carb alternative that serves as the perfect vessel for your savory filling.
  • 2 tablespoons olive oil Adds richness and promotes roasting; substitute with avocado oil for a fresh twist.
  • Salt Essential for enhancing flavors; customize to your taste.
  • Pepper Essential for enhancing flavors; customize to your taste.
For the Filling
  • 1 onion chopped Provides sweetness and depth; shallots make a milder alternative.
  • 3 cloves garlic Aroma enhancer that elevates the savory notes.
  • 8 oz mushrooms, sliced Brings earthiness to the dish; consider using cremini or shiitake mushrooms for a different flavor profile.
  • 4 cups fresh spinach, chopped Infuses freshness and nutrients; swap with kale or Swiss chard for more texture.
  • ½ cup cream cheese Creates a creamy filling; opt for dairy-free cream cheese for vegan variations.
  • ¼ cup grated Parmesan cheese Adds a savory cheese flavor; nutritional yeast can replace it for a vegan version.
  • ½ teaspoon red pepper flakes Introduces heat; adjust based on your spice preference.
  • Fresh parsley, chopped Provides a pop of color and enhances freshness.

Equipment

  • baking sheet
  • large skillet
  • parchment paper

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 400°F (200°C) and line your baking sheet with parchment paper.
  2. Cut the spaghetti squash in half lengthwise, scoop out the seeds, and drizzle olive oil over the cut sides. Season with salt and pepper, then place cut-side down on the baking sheet. Roast for 40-45 minutes until tender.
  3. In a skillet, heat the remaining tablespoon of olive oil and sauté the chopped onion for about 5 minutes until translucent.
  4. Add minced garlic and sliced mushrooms, cooking for 7-8 minutes until browned and liquid evaporates.
  5. Stir in chopped spinach and cook for 2-3 minutes until wilted.
  6. Mix in cream cheese until melted and incorporated into the filling.
  7. Add grated Parmesan cheese and red pepper flakes, adjusting seasoning with salt and pepper. Simmer for 1-2 minutes.
  8. Scrape the insides of the roasted squash into strands and mix with the filling or fill separately. Bake for another 10-15 minutes.
  9. Garnish with chopped parsley and serve immediately.

Nutrition

Serving: 1servingCalories: 250kcalCarbohydrates: 15gProtein: 8gFat: 18gSaturated Fat: 8gCholesterol: 30mgSodium: 400mgPotassium: 300mgFiber: 4gSugar: 3gVitamin A: 1000IUVitamin C: 20mgCalcium: 200mgIron: 2mg

Notes

Leftovers can be stored in the refrigerator for up to 3 days or frozen separately. Reheat gently for best results.

Tried this recipe?

Let us know how it was!

More dinner

  • Jackfruit Tacos with Green Apple Salsa
    Savory Jackfruit Tacos with Green Apple Salsa Bliss
  • Air Fryer Turkey Meatloaf with Ketchup Brown Sugar Glaze
    Juicy Air Fryer Turkey Meatloaf with Ketchup Brown Sugar Glaze
  • Garlic Bread-Topped Chicken Pot Pie
    Indulgent Garlic Bread-Topped Chicken Pot Pie for Coziness
  • Slow Cooker Collard Greens with Smoked Turkey
    Mouthwatering Slow Cooker Collard Greens with Smoked Turkey

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Recipe Rating




Welcome!

I'm a passionate home cook and recipe developer who has been creating and testing family-friendly recipes for over 8 years. Every recipe on DiaRecipes is tested multiple times in my own kitchen before sharing it with you

More

Popular

  • Apple Oatmeal Cookies
    Heavenly Apple Oatmeal Cookies for Cozy Moments
  • Apple Turnovers
    Irresistibly Easy Apple Turnovers You’ll Crave Again and Again
  • Baked Apple
    Indulgent Baked Apples with Cinnamon and Walnuts Bliss
  • German Red Cabbage
    The Best German Red Cabbage Recipe for Flavor Lovers

Seasonal

  • Stuffing Muffins
    Savory Stuffing Muffins That Spark Cozy Comfort
  • Apple Strudel with Cinnamon and Raisins
    Delicious Apple Strudel with Cinnamon and Raisins You’ll Love
  • Crispy Air Fryer Apple Chips
    Crispy Air Fryer Apple Chips for Guilt-Free Snacking Delight
  • Savory Homemade Comfort Food That's So Easy to Love

Footer

About

  • Privacy Policy
  • Terms & Conditions

Newsletter

  • Sign Up! for emails and updates

Contact

  • Contact

Copyright © 2025 diaRecipes