Spaghetti squash is a winter squash to become very familiar with this season. You can roast, boil or even microwave it, and the stringy flesh can be used as a substitute for pasta noodles! It starts showing up in markets in the early fall, and is as wonderful with a little butter and herbs as it is perched underneath tomato sauce and meatballs. Plus, it's so very simple to prepare! Here's one way to cook it.