"Today, we're making Beer and Bacon Mac and Cheese! This bowl of comfort has all the things. It has twisty pasta coated in a luscious beer cheese sauce. It has sweet caramelized onions. And, it has a crunchy topping made from crispy bacon and crushed sourdough pretzels. Take that in for a second. Let's start with the caramelized onions. All we need for these is a little patience. Thinly slice a yellow onion, toss it in a pan with some butter, and let them cook down until they just s…..."