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Healthy Spaghetti Squash Au Gratin

Healthy Spaghetti Squash Au Gratin

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Indulge in the delightful flavors of Healthy Spaghetti Squash Au Gratin, a low-carb, veggie-packed dish that’s perfect for any occasion. This comforting yet nutritious recipe features roasted spaghetti squash combined with sautéed onions and garlic, creamy Greek yogurt, and a generous amount of sharp cheddar cheese. Baked to perfection, it offers a cheesy, satisfying experience without compromising your health goals. Whether served as a light main course or as a flavorful side dish, this gratin is sure to impress your family and guests alike.

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)
  • ¼ tsp salt
  • ¼ tsp black pepper
  • Optional: ¼ tsp paprika or dried thyme

Instructions

  1. Preheat the oven to 400°F (205°C). Slice the spaghetti squash in half lengthwise and scoop out the seeds.
  2. Brush the cut sides with olive oil and place face-down on a baking sheet. Roast for 35–40 minutes until tender.
  3. In a skillet, sauté diced onions in olive oil until softened (about 5 minutes). Add minced garlic and cook for another minute before removing from heat.
  4. Once cool enough to handle, shred the squash using a fork into noodle-like strands.
  5. In a large mixing bowl, combine shredded squash with sautéed onions and garlic, Greek yogurt, 1 cup of cheese, salt, pepper, and optional spices.
  6. Transfer to a greased casserole dish and top with remaining cheese.
  7. Bake at 375°F for 20–25 minutes until hot and bubbly with a golden top.

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