Mozzarella received the Traditional Specialties Guaranteed (GTS) certificate from the European Union in 1998.
This system requires mozzarella sold in the EU to be produced according to a traditional recipe. The certification does not specify the source of the milk, but suggests it to be whole milk.
The Japanese version of the hot dog—Black Terra Dog—comes in a black bun.
They use edible bamboo charcoal powder to color the bun, which is over 30 cm long. It is one of the most popular street food in the Akihabara district of Tokyo.