Detroit Shipping Company shared by @eater says: ""Tucked into the second floor of Cass Corridor food hall Detroit Shipping Company, -320 is making some of the creamiest ice cream in town. The secret is the instant freezing of all of the ingredients with liquid nitrogen, which is -320 degrees Fahrenheit. Customers can choose from flavors like fresh mint chocolate chip, hazelnut cocoa crisp, and verde tea. Pour some espresso over the top to make it an affogato."" on Postcard