Airport: General Mitchell International Airport (Milwaukee)
Location: Concourse D
Website: usinger.com

The casings on the sausages Usinger's slings are always crunchy, so you know it's real. The best sausage out of Milwaukee (actually, the Midwest), is available for anyone passing through. Forget the condiments here; all you need is meat and bun. Maybe a bag of mints, too. Your breath might belch a little garlicky, and it's going to be close quarters in coach.