If you've never experienced the magic that is spaghetti squash, this is the recipe to kick off your new fall obsession. It's called spaghetti squash for a reason, after all, and these tender strands of squash make a remarkable stand-in for our favorite pasta dishes. Today, this mild-tasting squash is getting a lasagna makeover. Mozzarella, ricotta, meat sauce — the works. It's a bowl of hot-baked goodness that you get all to yourself, no sharing required.