“Secret” Serving Windows Are Everywhere Now—And They're Not Just Pouring Wine

Inspired by Florence’s historic wine windows, restaurants and brands are putting a modern spin on an old-world creation

Secret serving windows are popping up in cities across the world. In New York, surprise scoops of ice cream are handed through a walk-up window. In London, it’s layered tiramisu. In Brooklyn, still-warm pastéis de nata. What started as a clever Renaissance Era workaround is now one of the most charming food trends of the modern era.

In Florence, Italy du…