FF: your pao de queijo looks very yummy. Some curiosities about the dish:
It's named Chípa in Paraguay, a Quechua word meaning "big woman",
In Guaraní it's named Cuñapé, with the same meaning.
Its a recipe probably originated in Jesuitic Missions. Hence its known in Brasil, Paraguay and Argentina as well. Some variants:
Chipa guazú (big chipa): made with fresh corn.
Chipá asador also chipá caburé also chipá mbocá: kind of a big stewered chípa.