Warm, pillowy pretzel bites fresh from the oven, their burnished exteriors glistening with coarse salt - absolutely irresistable. When you combine that with the tang of sourdough and a velvety beer cheese dip, you've got a snack that'll have everyone hovering around your appetizer table. This recipe uses your sourdough discard for something magical because yes, you can use that starter for pretzels! Let me show you how.