Customers who shopped at Keep The Change Kitchen Collective, the now-closed virtual food hall from Spice Hospitality Group, often looked forward to “doughball Fridays.” That’s when chefs Ben Bebenroth and culinary partner Jonathan Bennett would add Boom’s Pizza to the roster of menus. More than just fun pizza pop-ups, these Friday bake sessions were an important opportunity to test, tweak and perfect everything that would wind up at the eventual brick-and-mortar version of Boom’s Pizza.