This savory-yet-sweet delectable delicacy is a legally protected cultural heritage treat, recognized by the European Union as a Protected Geographical Indicator. The law celebrates the protected recipe and tradition associated with St. Martin, which has become a staple of the diet of Poznanians—particularly every year during the town’s St. Martin festival.every year on November 11, St. Martin’s Day, the town consumes 700,000 croissants during the annual St. Martin’s Day parade.