Healthy Garlic Parmesan Spaghetti Squash with butter, garlic, and cheese

Healthy Garlic Parmesan Spaghetti Squash: Quick & Easy

By:

Veronica Taylor

September 26, 2025

When life gets busy—and trust me, with three kids and a calendar that feels more like a puzzle than a schedule—I lean on dishes like this Healthy Garlic Parmesan Spaghetti Squash. It’s that rare gem of a recipe that’s not only light and nourishing but also downright crave-worthy. Roasted spaghetti squash tossed with butter, garlic, and Parmesan cheese—it’s the perfect balance of comfort and health.

Table of Contents

Why You’ll Love This Healthy Garlic Parmesan Spaghetti Squash

This isn’t just another veggie side dish. It’s:

  • Low-carb, naturally gluten-free, and packed with fiber.
  • Ready in under an hour (mostly hands-off time).
  • Cheesy and garlicky enough to please even picky eaters.
  • Versatile—pair it with chicken, fish, or just enjoy it solo for a cozy meal.

And if you’re anything like me, you’ll appreciate that it makes for excellent meal prep. A quick reheat and boom—lunch is done.

What Does Healthy Garlic Parmesan Spaghetti Squash Taste Like?

Imagine the best of both worlds: the nutty sweetness of roasted squash paired with the savory punch of garlic and salty Parmesan. The strands stay tender but slightly firm, mimicking pasta without the heaviness. It’s comfort food that doesn’t weigh you down—perfect for weeknights when you want flavor without fuss.

Ingredients You’ll Need for Healthy Garlic Parmesan Spaghetti Squash

When it comes to making this Healthy Garlic Parmesan Spaghetti Squash, the ingredient list is refreshingly short. That’s one of the reasons I love it so much—you don’t need a mile-long shopping list or a special trip to the store. These are everyday items that come together to create something truly comforting, flavorful, and family-approved. Let’s walk through them in detail so you know exactly what each one brings to the table.

  • Spaghetti Squash (1 medium, about 3–4 pounds):
    This is the star of the dish. Once roasted, the flesh transforms into golden, pasta-like strands. Choose a squash that feels firm and heavy for its size, with a smooth, unblemished skin. A medium size works perfectly for about four servings.
  • Olive Oil (1–2 tablespoons):
    Olive oil helps roast the squash to tender perfection while adding richness and a touch of healthy fat. I like to drizzle it right over the cut sides of the squash to lock in moisture.
  • Salt and Black Pepper (½ teaspoon each, divided):
    A simple but essential duo. Salt enhances the natural sweetness of the squash, while pepper adds just enough kick to keep things interesting. Don’t skip seasoning both before roasting and again at the end for balance.
  • Unsalted Butter (2 tablespoons):
    Here’s where that comforting, melt-in-your-mouth texture comes in. The butter coats each strand of spaghetti squash, giving it a luscious base that pairs beautifully with garlic and Parmesan.
  • Garlic Powder (1 teaspoon):
    Garlic is what makes this dish sing. Garlic powder is quick, convenient, and evenly coats the strands without overpowering them. If you’re a garlic lover, feel free to experiment with fresh minced garlic instead—it’s delicious both ways.
  • Parmesan Cheese (¼ cup, divided):
    That salty, nutty flavor from freshly grated Parmesan takes this side dish from good to “please make this again.” Half goes into the mix for creaminess, and the other half gets sprinkled on top as a finishing touch.
  • Fresh Parsley (chopped, for garnish):
    Parsley adds a pop of green and a hint of freshness to balance out the richness. It’s optional, but it makes the dish look extra inviting.

The beauty of these ingredients is that they’re pantry staples with big payoff. And if you’re someone who enjoys healthy but flavorful sides, you’ll probably also love my Moroccan Cauliflower with Tahini Honey—another veggie recipe that feels anything but boring.

In short: this Healthy Garlic Parmesan Spaghetti Squash is proof that a handful of simple, fresh ingredients can create a dish that tastes like it belongs on a restaurant menu—without the fuss or expense.

Ingredients for Healthy Garlic Parmesan Spaghetti Squash recipe
Simple ingredients for making Healthy Garlic Parmesan Spaghetti Squash

How to Make Healthy Garlic Parmesan Spaghetti Squash (Step by Step)

Making this Healthy Garlic Parmesan Spaghetti Squash is straightforward, but I’ll walk you through it step by step with plenty of details, so your dish comes out beautifully every time. Think of me as your kitchen buddy, standing beside you with a spatula in hand.

Step 1: Preheat the Oven and Prepare the Dish

First things first—set your oven to 400°F (200°C). This high heat is what gives the spaghetti squash its golden, slightly caramelized flavor while keeping the strands tender. While it warms up, lightly grease a medium-sized baking dish with olive oil or cooking spray. A shallow dish works best because it allows the squash halves to roast evenly without overlapping.

Step 2: Wash and Dry the Squash

Give your spaghetti squash a good rinse under cool water to remove any dirt from the skin. Pat it completely dry with a kitchen towel. This small step makes a big difference—dry skin means better roasting, and you won’t accidentally steam the squash (which can make it soggy instead of stringy).

Step 3: Carefully Cut the Squash in Half

Now for the tricky part. Place the squash on a sturdy cutting board and, using a sharp chef’s knife, slice it lengthwise from stem to tail. The skin is thick, so take your time. Once halved, grab a fork and pierce the flesh 6–7 times on each half. This allows steam to escape during roasting and helps the squash cook evenly.

Step 4: Season with Olive Oil, Salt, and Pepper

Drizzle each half with 1–2 tablespoons of olive oil, then sprinkle with ½ teaspoon salt and ½ teaspoon black pepper. Use your fingers or a brush to rub the seasoning into the flesh—it’s like giving your squash a flavor massage. This ensures every strand of your Healthy Garlic Parmesan Spaghetti Squash has a little seasoning love.

Step 5: Roast Until Tender

Place the seasoned halves flesh-side down in your greased baking dish. Roast for 30 to 40 minutes, checking at the 30-minute mark. You’ll know it’s done when the skin feels slightly softened, and a fork glides easily into the flesh. Smaller squashes may cook quicker, while larger ones may need the full 40 minutes.

Pro Tip: While the squash is roasting, you can whip up a protein to serve alongside, like my Garlic Butter Chicken and Rice Casserole. It’s a match made in dinner heaven.

Step 6: Shred the Squash into Strands

Once roasted, remove the dish from the oven and let the squash cool just enough to handle safely. Flip the halves over and use a fork to scrape the flesh into long, noodle-like strands. This is the magical part where spaghetti squash earns its name! Transfer the strands to a large mixing bowl.

Step 7: Add Butter and Garlic

While the strands are still warm, add 2 tablespoons of butter and 1 teaspoon of garlic powder. Toss gently with a fork or tongs so the butter melts and the garlic evenly coats the strands. The heat from the squash will turn the butter into a silky sauce that clings to every bite.

Step 8: Mix in Parmesan Cheese

Sprinkle in half of the Parmesan cheese (about 2 tablespoons), then season with a pinch more salt and pepper if needed. Toss again until the cheese melts slightly and creates a light, creamy coating around the strands.

Step 9: Garnish and Serve

Transfer the finished squash to a serving bowl (or keep it rustic and serve right from the shell). Sprinkle the remaining Parmesan cheese on top, and finish with chopped parsley for color and freshness. Serve it hot and watch it disappear.

Tips and Tricks for Perfect Healthy Garlic Parmesan Spaghetti Squash

  • Don’t skip piercing the squash—otherwise, it might burst (ask me how I know).
  • For extra depth, toast the Parmesan briefly in a dry skillet before adding.
  • Keep an eye on roasting time—overbaking leads to mush instead of strands.
  • Swap garlic powder for fresh minced garlic if you want a bolder flavor.
  • Leftover strands make an amazing base for Bang Bang Salmon Bites Bowls.

Storage

  • Fridge: Store in an airtight container for up to 4 days.
  • Freezer: Yes, you can freeze it! Cool completely, store in freezer bags, and thaw in the fridge overnight before reheating.

FAQs

Can I make this ahead of time?
Absolutely. Roast the squash in advance, shred, and refrigerate. Toss with butter, garlic, and Parmesan just before serving.

Is fresh garlic better than garlic powder?
Both work! Fresh garlic is stronger and a little spicier, while garlic powder blends smoothly for a mild, even flavor.

Can I use another cheese?
Sure—try Pecorino Romano or even a sprinkle of mozzarella for a melty finish.

Conclusion

If you’re looking for a side that feels indulgent yet wholesome, Healthy Garlic Parmesan Spaghetti Squash is it. It’s fast, flavorful, and fits beautifully into weeknight meals or weekend spreads. Try it once, and I guarantee it’ll make its way into your regular rotation.

And if you give it a go, I’d love to hear how it turned out—leave a comment, share your tweaks, or tag me so I can see your beautiful plates!

Follow us on Pinterest for weekly slow cooker inspiration, or join the conversation over on our Facebook page where fellow food lovers share their favorite comfort meals.

Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon
Healthy Garlic Parmesan Spaghetti Squash with butter, garlic, and cheese

Healthy Garlic Parmesan Spaghetti Squash: Quick & Easy


  • Author: Veronica Taylor
  • Total Time: 50 minutes
  • Yield: 4 servings 1x

Description

Roasted spaghetti squash tossed with butter, garlic, and Parmesan cheese makes a healthy, low-carb side dish. Ready in just 40 minutes, it’s full of fiber, good fats, and flavor—perfect for a quick weeknight dinner or meal prep.


Ingredients

Scale
  • 1 medium spaghetti squash
  • 12 tablespoons olive oil
  • ½ teaspoon salt, divided
  • ½ teaspoon black pepper, divided
  • 2 tablespoons unsalted butter
  • 1 teaspoon garlic powder
  • ¼ cup grated Parmesan cheese, divided
  • Chopped parsley for garnish

Instructions

1. Preheat your oven to 400°F (200°C) and lightly grease a medium baking dish with olive oil or cooking spray.

2. Rinse the spaghetti squash under cool running water and pat dry with a clean towel.

3. Place the squash on a stable cutting board and carefully slice it lengthwise in half from stem to tail. Pierce the flesh of each half 6–7 times with a fork.

4. Drizzle 1–2 tablespoons of olive oil over the squash flesh. Sprinkle with ½ teaspoon salt and ½ teaspoon black pepper. Rub seasonings in lightly to coat.

5. Place the squash halves flesh-side down in the prepared baking dish.

6. Bake for 30 to 40 minutes, checking doneness at 30 minutes. The squash is ready when the flesh is soft and fork-tender.

7. Remove from the oven and let cool slightly. Use a fork to shred the flesh into spaghetti-like strands into a large mixing bowl.

8. Add 2 tablespoons of butter and 1 teaspoon garlic powder to the warm squash. Toss gently to melt and mix.

9. Add 2 tablespoons grated Parmesan and the remaining salt and pepper to taste. Toss until combined and creamy.

10. Transfer to a serving dish. Top with the remaining Parmesan and chopped parsley. Serve warm or store for later.

Notes

Choose a medium spaghetti squash (about 3–4 pounds) for best texture and portion size.

Always pierce the skin before baking to release steam and prevent bursting.

Toast the Parmesan cheese in a dry skillet before adding for extra flavor.

Do not overcook—spaghetti squash should be tender but still stringy.

Naturally gluten-free, low-carb, and high in fiber—suitable for many dietary needs.

  • Prep Time: 10 minutes
  • Cook Time: 40 minutes
  • Category: Side Dish
  • Method: Baking, Roasting
  • Cuisine: American, Healthy

Nutrition

  • Serving Size: 1 serving
  • Calories: 180
  • Sugar: 4
  • Sodium: 300
  • Fat: 12
  • Saturated Fat: 5
  • Unsaturated Fat: 6
  • Trans Fat: 0
  • Carbohydrates: 14
  • Fiber: 3
  • Protein: 4
  • Cholesterol: 20

Keywords: healthy, low-carb, spaghetti squash, garlic, parmesan, gluten-free, vegetarian

Leave a Comment

Recipe rating