Paul an Mary showcased German Gingerbread Lebkuchen from Nuremberg on The Great British Bake Off Christmas Masterclass.

German food historian Theresa Malec explained that they have been baked in the city of Nürnberg since the 14th century by the local monks. The spices had to be imported for all Lebkuchen, so cities with strong trading partners had an advantage over small, agricultural villages when creating new types of Lebkuchen.
which began in the 14th century. In 1643, the city even created the “League of Lebkuchen Bakers”.