In “There’s No Business Like Hansen’s Sno Bliz-ness,” Gravy reporter Eve Troeh takes us to New Orleans, home of the sno-ball. In the South you need strategies to beat the summer heat, and ice plays a big role. Street vendors used to shave big blocks of ice by hand and add flavored syrup—a treat that became known as a sno-ball in the Big Easy.
In the late 1930...