The Youngster at R&A Sourdough is a bagel sandwich with plain schmear, your choice of sausage or hot-honey bacon, egg frittata, cheddar, and hot sauce. But let’s get this out of the way: There are a few key customizations needed to make this a bagel sandwich worth talking about. The Youngster should be built on […] The post The Youngster bagel sandwich at R&A Sourdough appeared first on Chicago Reader.