Tastes like Hash Brown Casserole without all the calories and carbs

  * 1 medium spaghetti squash
  * 2 tablespoons butter
  * 1 small yellow onion, cut in half and very thinly sliced
  * ¼ teaspoon red pepper flakes, or more if you like it spicy
  * 1 teaspoon fresh thyme
  * ½-1 cup sour cream or plain Greek yogurt
  * ½ cup shredded cheddar cheese
  * ¼ cup Parmigiano Reggiano

  - 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 -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 375º for 15 – 20 minutes until golden brown on top.

tags: low-carb, vegetarian

source: http://www.nutritiouseats.com/spaghetti-squash-au-gratin/