Craving something creamy, cheesy, and comforting—but still low-carb? This Spaghetti Squash Au Gratin is the perfect solution. It delivers all the cozy flavors of a classic gratin without the heaviness of potatoes or pasta.
Tender strands of spaghetti squash are baked in a rich, cheesy mixture with garlic, herbs, and a golden Parmesan topping. It’s warm, satisfying, and perfect for anyone looking to enjoy comfort food with a lighter twist.
Why You’ll Love This Recipe ❤️
- Low-carb & lighter than traditional gratin
- Creamy, cheesy, and full of flavor
- Great for meal prep or family dinners
- Easy to customize with your favorite ingredients
- Perfect side dish for any main course
What Makes It Special?
This dish takes the classic concept of a cheesy gratin and swaps potatoes for spaghetti squash, creating a healthier alternative that still feels indulgent. The combination of mozzarella, Parmesan, and Greek yogurt creates a creamy texture while keeping things balanced.
Ingredients You’ll Need
- 3 cups cooked spaghetti squash
- 2 eggs
- 1 cup shredded mozzarella cheese
- ½ cup grated Parmesan cheese
- ½ cup plain Greek yogurt (full-fat for creaminess)
- 2 tablespoons minced garlic
- ½ teaspoon dried thyme
- Salt & black pepper (to taste)
How to Make Spaghetti Squash Au Gratin
1. Preheat the Oven
Set your oven to 400°F (200°C).
2. Prepare the Mixture
In a large bowl, combine:
- Cooked spaghetti squash
- Eggs
- Greek yogurt
- Mozzarella cheese
Mix until everything is well blended and creamy.
3. Season
Add garlic, thyme, salt, and pepper.
Stir thoroughly to distribute the flavors evenly.
4. Assemble
Transfer the mixture into a lightly greased casserole dish and spread evenly.
5. Add Topping
Sprinkle Parmesan cheese generously on top to create a golden crust.
6. Bake
Bake for 30 minutes, until the top is golden and slightly crispy.
7. Rest & Serve
Let the casserole rest for 10 minutes before serving to help it set.
Ingredient Substitutions 🔄
- Spaghetti squash: zucchini noodles or butternut squash
- Greek yogurt: sour cream or cottage cheese
- Mozzarella: provolone or fontina
- Dairy-free: plant-based cheese alternatives
Tips for Best Results 👨🍳
- Make sure the squash is well-drained to avoid excess moisture
- Use fresh garlic for stronger flavor
- Don’t skip resting time—it improves texture
- Add extra cheese on top for a crispier finish
Nutrition (Approximate)
- Calories: 700–800 (whole dish)
- Protein: 50–60g
- Fat: 40–50g
- Carbs: 30–40g
Serving Ideas 🍽️
Pair this dish with:
- Grilled chicken or steak
- Roasted vegetables
- Fresh green salad
Final Thoughts
This Spaghetti Squash Au Gratin proves that you don’t have to give up comfort food to eat healthier. It’s creamy, cheesy, and satisfying—everything you love, just lighter.
Perfect for cozy dinners, meal prep, or impressing guests with a delicious low-carb option