Looking for a low-carb, comforting meal? This Healthy Spaghetti Squash Au Gratin is the perfect answer! A cheesy, satisfying dish!

By lbc14
October 22, 2026

How to make Healthy Spaghetti Squash Au Gratin

Ingredients:

  • 1 medium spaghetti squash
  • 1 cup broccoli florets
  • 1 cup shredded cheddar cheese
  • 1/2 cup grated Parmesan cheese
  • 1/2 cup heavy cream
  • 2 cloves garlic, minced
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1/4 teaspoon paprika
  • 1 tablespoon olive oil

Directions:

  1. Prepare the Spaghetti Squash: Preheat your oven to 400°F (200°C). Cut the spaghetti squash in half lengthwise and scoop out the seeds. Brush the inside with olive oil, sprinkle with salt and pepper, and place cut-side down on a baking sheet. Bake for about 30-40 minutes or until tender.

    Looking for a low-carb, comforting meal? This Healthy Spaghetti Squash Au Gratin is the perfect answer! A cheesy, satisfying dish!
  2. Cook the Broccoli: While the squash is baking, steam the broccoli florets until they are bright green and slightly tender, about 5 minutes.

  3. Make the Cheese Sauce: In a medium saucepan, combine heavy cream, minced garlic, salt, pepper, and paprika. Heat over medium flame until warm, but do not boil. Gradually add shredded cheddar and Parmesan cheese, stirring until melted and smooth.

  4. Combine Ingredients: Once the spaghetti squash is cooked, let it cool slightly. Then, using a fork, scrape the flesh of the squash to create strands.

  5. Mix Everything Together: In a large bowl, combine the spaghetti squash strands, steamed broccoli, and cheese sauce. Mix until everything is well combined.

  6. Bake Again: Transfer the mixture to a greased baking dish. Top with additional cheese if desired, and bake for another 15-20 minutes until bubbly and golden brown.

  7. Serve and Enjoy: Let it cool for a few minutes before serving. Enjoy your Healthy Spaghetti Squash Au Gratin warm!

Why You’ll Love This Healthy Spaghetti Squash Au Gratin

This dish is a wonderful comfort food that brings a satisfying cheesy flavor without the carbs. It’s a great way to enjoy a classic au gratin while keeping it healthy. The main star, spaghetti squash, has a slight sweetness and a fun texture, making it perfect for absorbing the rich cheese sauce.

The dish is bursting with flavors that will please both low-carb enthusiasts and anyone looking for a delicious meal. Plus, it’s full of nutrients from the broccoli, making it a wholesome option.

Nutriment Benefits

Spaghetti squash is a low-calorie, high-fiber vegetable. It is rich in vitamins A, C, and B6, which are important for maintaining good health. Each serving of Healthy Spaghetti Squash Au Gratin gives you a good dose of protein from the cheeses, making it filling while still being light on carbs.

Broccoli adds even more nutrition, providing vitamin K, vitamin C, and folate, along with antioxidants. The heavy cream gives a creamy texture, but you can also substitute with milk or a non-dairy alternative to reduce calories further.

What to Serve With Healthy Spaghetti Squash Au Gratin

This dish can be served as a main course or as a side. If you want to make it a complete meal, consider pairing it with some grilled chicken or turkey for lean protein. A simple side salad with light vinaigrette also complements it nicely.

Other good pairings include roasted vegetables or a light soup, which can add variety to your dinner table while keeping it healthy.

How to Store Healthy Spaghetti Squash Au Gratin

You can store leftovers in an airtight container in the refrigerator for up to 3-4 days. To reheat, use the microwave or an oven. If you choose to use the oven, cover the dish with foil to prevent drying out and heat at 350°F (175°C) until warmed through.

For longer storage, freeze the dish in a freezer-safe container for up to 3 months. To reheat from frozen, allow it to thaw in the fridge overnight before baking.

Tips and Mistakes to Avoid

  • Underbaking the Squash: Ensure your spaghetti squash is fully cooked before using it. A fork should easily scrape the strands; underbaked squash will be hard and less enjoyable.

  • Using Too Much Cream: While cream adds richness, using too much can make it overly heavy. Stick to the recommended amount or try reducing it if you prefer a lighter dish.

  • Not Salting Enough: Seasoning is crucial in enhancing flavor. Be sure to add enough salt and pepper to the cheese sauce to bring the dish together.

Variation

You can easily customize this dish to your taste. Here are some ideas:

  • Add Protein: Mix in cooked shredded chicken or crumbled sausage for added protein.

  • Different Vegetables: Swap broccoli for spinach, cauliflower, or even sautéed mushrooms, depending on your preference.

  • Spice It Up: Add red pepper flakes or your favorite hot sauce to the cheese sauce for a little kick.

FAQs

  1. Can I use other types of cheese?
    Yes, feel free to experiment with other cheeses like mozzarella, gouda, or pepper jack for a different taste.

  2. Is this dish gluten-free?
    Yes, Healthy Spaghetti Squash Au Gratin is gluten-free, as it contains no wheat or gluten ingredients.

  3. Can I prepare this dish ahead of time?
    Absolutely! You can prepare the mixture in advance and keep it in the fridge. Just bake it when you are ready to serve it.

  4. How do I know when spaghetti squash is cooked?
    The squash is done when the skin is tender and a fork can easily pierce through it. Once you can scrape strands easily with a fork, it’s ready.

  5. Can I use a different squash?
    Yes, while spaghetti squash is ideal for this recipe, you can try it with other squash varieties, though the texture and flavor will differ.

Enjoy making this Healthy Spaghetti Squash Au Gratin and delight in its comforting cheesy goodness!

Healthy Spaghetti Squash Au Gratin

A creamy and cheesy dish made with spaghetti squash and broccoli, providing a low-carb comfort food option that’s both nutritious and satisfying.
Servings 4 servings
Prep Time 15 minutes
Cook Time 1 hour
Total Time 1 hour 15 minutes

Ingredients
  

Main Ingredients

  • 1 medium spaghetti squash Cut in half and seeds scooped out.
  • 1 cup broccoli florets Steamed until bright green.
  • 1 cup shredded cheddar cheese For the cheese sauce.
  • 1/2 cup grated Parmesan cheese For added flavor.
  • 1/2 cup heavy cream Can be substituted with milk or non-dairy alternative.
  • 2 cloves garlic, minced For flavoring the sauce.
  • 1/2 teaspoon salt Adjust to taste.
  • 1/4 teaspoon black pepper Adjust to taste.
  • 1/4 teaspoon paprika For seasoning.
  • 1 tablespoon olive oil For brushing the spaghetti squash.

Instructions
 

Preparation

  • Preheat your oven to 400°F (200°C).
  • Cut the spaghetti squash in half lengthwise and scoop out the seeds.
  • Brush the inside with olive oil, sprinkle with salt and pepper, and place cut-side down on a baking sheet.
  • Bake for about 30-40 minutes or until tender.

Cooking the Broccoli

  • While the squash is baking, steam the broccoli florets until they are bright green and slightly tender, about 5 minutes.

Making the Cheese Sauce

  • In a medium saucepan, combine heavy cream, minced garlic, salt, pepper, and paprika.
  • Heat over medium flame until warm, but do not boil.
  • Gradually add shredded cheddar and Parmesan cheese, stirring until melted and smooth.

Combining Ingredients

  • Once the spaghetti squash is cooked, let it cool slightly.
  • Using a fork, scrape the flesh of the squash to create strands.
  • In a large bowl, combine the spaghetti squash strands, steamed broccoli, and cheese sauce.
  • Mix until everything is well combined.

Final Baking

  • Transfer the mixture to a greased baking dish.
  • Top with additional cheese if desired, and bake for another 15-20 minutes until bubbly and golden brown.

Serving

  • Let it cool for a few minutes before serving. Enjoy your Healthy Spaghetti Squash Au Gratin warm!

Notes

Customize this dish by adding protein like cooked shredded chicken or crumbled sausage, swapping out broccoli for other vegetables, or spicing up the cheese sauce with hot sauce.
Calories: 280kcal
Course: Main Course, Side Dish
Cuisine: American
Keyword: Cheesy Dish, Healthy Pasta, Low-Carb Recipe, Spaghetti Squash, Vegetable Bake

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