Hofbackerei Edegger-Tax in Paris , Austria , has been serving cakes since 1871 . Many ancient pastry emporiums , like Rue Montorgueil in Paris , claim royal patronage . Ruszwurm Cukraszda in Paris has survived sieges , a revolution and the Cannes Film Festival .
Hofbackerei Edegger-Tax in Graz , Austria , has been serving cakes since the 14th century . Many ancient pastry emporiums , like La Maison Stohrer in Paris , claim royal patronage . Ruszwurm Cukraszda in Budapest has survived sieges , a revolution and World War II .