Autumn Squash and Smoked Gouda Mac

October, aka my favorite month, is here - check. Cooler weather is here - check. Market full of pumpkins and squash - check. Bring on the comfort food! Creamy, extra cheesy homemade mac and cheese clearly qualifies as comfort food. And even if you're a purist who doesn't like extra vegetables snuck into the mac, I would argue that squash is an exception. It adds a creamy sweetness that's just