Just in time for its 50th anniversary, Schlotzsky’s rolls out two new prototypes with plans to build on lessons learned during COVID-19. — By Katie Lee — At Schlotzsky’s, the drive-thru has always been a driving force of its business. Eighty-five percent of its 339 locations already had a drive-thru — often with double lanes — and this positioned the sandwich chain well when COVID-19 changed the world in early 2020. Schlotzsky’s already understood customers’ evolving needs — and the pandemic accelerated that evolution. Several years prior to the …