Healthy Spaghetti Squash Au Gratin

ava salmon

Published:

November 17, 2025

Healthy spaghetti squash au gratin topped with cheese and herbs.

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Why make this recipe

Healthy Spaghetti Squash Au Gratin is a delicious and nutritious twist on the traditional au gratin dish. This recipe uses spaghetti squash instead of pasta, making it lower in carbs and packed with vitamins. It’s a great way to enjoy comfort food while staying health-conscious. Plus, the creamy cheese sauce and crispy topping make it a satisfying meal for everyone, whether you’re following a specific diet or just looking for a healthier option.

How to make Healthy Spaghetti Squash Au Gratin

Ingredients

1 medium spaghetti squash
1 cup shredded cheese (cheddar or mozzarella)
1/2 cup heavy cream
1 teaspoon garlic powder
1 teaspoon onion powder
Salt and pepper to taste
1/2 cup grated Parmesan cheese
Fresh parsley for garnish

Directions

Preheat your oven to 375°F (190°C).
Cut the spaghetti squash in half lengthwise and scoop out the seeds.
Place the squash halves face down on a baking sheet and bake for 30-40 minutes, or until tender.
Once cool enough to handle, scoop out the flesh and shred it with a fork.
In a mixing bowl, combine the shredded spaghetti squash, shredded cheese, heavy cream, garlic powder, onion powder, salt, and pepper.
Pour the mixture into a greased baking dish and top with grated Parmesan cheese.
Bake in the oven for an additional 20-25 minutes, or until golden and bubbly.
Garnish with fresh parsley before serving.

How to serve Healthy Spaghetti Squash Au Gratin

Serve Healthy Spaghetti Squash Au Gratin warm as a main dish or side. It pairs well with a fresh salad or grilled vegetables. You can also add some protein, such as grilled chicken or shrimp, to make it a more filling meal.

How to store Healthy Spaghetti Squash Au Gratin

Store any leftovers in an airtight container in the refrigerator. It will keep well for about 3-4 days. To reheat, microwave individual portions or place the whole dish back in the oven until warmed through.

Tips to make Healthy Spaghetti Squash Au Gratin

Make sure to cook the squash until it is tender for the best texture.
You can customize the cheese used in this recipe based on your preference or dietary needs.
Add vegetables like spinach or mushrooms to the mixture for extra flavor and nutrition.

Variation

For a dairy-free version, you can substitute the heavy cream with coconut milk and use dairy-free cheese alternatives.

FAQs

1. Can I make this recipe ahead of time?

Yes, you can prepare it in advance and store it in the fridge. Just bake it before serving.

2. Is spaghetti squash healthy?

Yes, spaghetti squash is low in calories and carbohydrates, making it a healthy substitute for pasta.

3. What can I serve with Healthy Spaghetti Squash Au Gratin?

It goes great with a salad, grilled chicken, or roasted vegetables for a complete meal.