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Spaghetti Squash AuGratin


Served alongside a tender roasted pork tenderloin, this Spaghetti Squash Au Gartin is a hearty full flavor side dish your entire family will love.

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Rate this recipe 4.6/5 (50 Votes)


  • 1 medium spaghetti squash
  • 2 tablespoons butter
  • 1 small yellow onion, cut in half and very thinly sliced
  • 1/4 teaspoon red pepper flakes, or more if you like it spicy
  • 1 teaspoon fresh thyme
  • 1/2 cup sour cream
  • 1/2 cup shredded cheddar cheese


Servings 4
Preparation time 10mins
Cooking time 35mins


Step 1

Cut the spaghetti squash in half and remove the seeds. Place in a covered dish with a ¼ inch of water and microwave for 10 to 12 minutes. In a medium sized skillet over medium heat, add the butter, onions, red pepper and thyme and cook until the onions are slightly brown in color. Salt and pepper to taste.

Using a fork, scrape the insides of the squash and transfer to a small bowl. Combine the squash, onions, sour cream and half the cheese together and mix well. Transfer the mixture to a buttered baking dish and top with remaining cheese.

Place into a 375ºF for 15 to 20 minutes until golden brown on top.

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