Description
Spaghetti Squash Au Gratin is a creamy delightful dish perfect for those seeking healthy spaghetti squash au gratin recipes. This cheesy spaghetti squash au gratin offers a rich cheese sauce baked to golden perfection. It’s a great addition to squash recipe ideas and a satisfying spaghetti squash low carb recipes option.
Ingredients
Scale
- 1 large spaghetti squash (about 3–4 pounds)
- 4 tablespoons unsalted butter divided
- 1 medium yellow onion finely chopped
- 2 cloves garlic minced
- 4 tablespoons all-purpose flour
- 3 cups whole milk
- 1/2 teaspoon salt plus more to taste
- 1/4 teaspoon black pepper plus more to taste
- 1/4 teaspoon nutmeg
- 1 cup grated Gruyere cheese divided
- 1 cup grated sharp cheddar cheese divided
- 1/2 cup grated Parmesan cheese divided
- 1/4 cup panko breadcrumbs
- 2 tablespoons chopped fresh parsley for garnish (optional)
Instructions
- Preheat oven to 400°F. Slice spaghetti squash in half lengthwise and scoop out seeds. Brush with 1 tablespoon butter, season with salt and pepper. Place cut side down on baking sheet and roast until tender, about 40 minutes.
- Meanwhile, melt 2 tablespoons butter in a pan over medium heat. Add onion and garlic, sauté until translucent.
- Stir in flour and cook for 1-2 minutes until bubbly. Slowly whisk in milk and cook until sauce thickens. Add salt pepper and nutmeg.
- Remove from heat and stir in half the Gruyere, sharp cheddar, and Parmesan cheeses until melted.
- Scrape spaghetti squash strands into a large bowl. Pour cheese sauce over squash and mix well.
- Butter a baking dish then transfer mixture in. Top with remaining cheeses and panko breadcrumbs. Dot with remaining butter.
- Bake at 375°F until golden and bubbly, about 30 minutes. Garnish with parsley if desired before serving.
Notes
- For an extra crispy topping, broil for 2-3 minutes at the end, watching carefully to prevent burning
- This dish reheats well and can be made ahead of time
- Prep Time: 20 minutes
- Cook Time: 70 minutes
- Category: Dinner
- Method: Baked
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 320 kcal
- Sugar: 6g
- Sodium: 450mg
- Fat: 20g
- Saturated Fat: 12g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 22g
- Fiber: 4g
- Protein: 15g
- Cholesterol: 60mg