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Healthy Spaghetti Squash Au Gratin

Healthy Spaghetti Squash Au Gratin

Healthy Spaghetti Squash Au Gratin is a comforting yet nutritious dish that brings a delightful twist to your dinner table. Perfect for weeknights or festive gatherings, this recipe combines roasted spaghetti squash with sautéed onions and creamy Greek yogurt, all topped with a generous layer of sharp cheddar cheese. Not only does it deliver rich, cheesy flavors, but it also keeps health goals in check with its low-carb profile. Whether served as a side or a light main course, this dish is versatile and sure to please everyone at your table.

  • Total Time: 1 hour 40 minutes
  • Yield: Serves approximately 6 people 1x

Ingredients

Scale
  • 1 medium spaghetti squash
  • 1 tbsp olive oil
  • ½ cup diced onion
  • 2 cloves garlic, minced
  • ½ cup plain Greek yogurt
  • 1½ cups shredded sharp cheddar cheese (divided)
  • Salt and black pepper to taste
  • Fresh parsley for garnish

Instructions

  1. Preheat the oven to 400°F (205°C). Halve the spaghetti squash and scoop out the seeds.
  2. Brush cut sides with olive oil, place face down on a baking sheet, and roast for 35–40 minutes until tender.
  3. While the squash roasts, sauté diced onion in olive oil over medium heat for about 5 minutes. Add minced garlic and cook for another minute.
  4. Shred the roasted squash into noodle-like strands using a fork.
  5. Combine shredded squash, sautéed onion and garlic, Greek yogurt, 1 cup of cheese, salt, and pepper in a large bowl.
  6. Transfer mixture to a greased casserole dish and top with remaining cheese.
  7. Bake at 375°F (190°C) for 20–25 minutes until bubbly and golden.
  • Author: Natalia
  • Prep Time: 15 minutes
  • Cook Time: 85 minutes
  • Category: Main
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 serving
  • Calories: 220
  • Sugar: 3g
  • Sodium: 360mg
  • Fat: 12g
  • Saturated Fat: 6g
  • Unsaturated Fat: 5g
  • Trans Fat: 0g
  • Carbohydrates: 17g
  • Fiber: 3g
  • Protein: 10g
  • Cholesterol: 30mg

Keywords: For added flavor variations, experiment with spices like paprika or dried thyme. Feel free to mix in cooked chicken or turkey for extra protein.