"There it is!" I shouted triumphantly to my friends, my smug "I-saw-it-first-therefore-am-better-than-you" inherent in my tone.
"Uh, no", says a friend. That's just a place that SERVES Berthillon ice cream.
It's an easy mistake to make- as you approach the Berthillon store on the Île Saint-Louis, you're bombarded by cafes with signs proudly proclaiming that they, too, serve this (frozen) nectar of the gods. But we weren't having it- we wanted the original store.