The Cold Switcharoo

One Drink; Two Chilled Glasses. A Martini Technique Gains Popularity.

A Martini getting a new chilled glass at Bemelmans Bar.

Some bits of bar artistry stay with you. They remind you how charming the art of bartending can be and why some cocktail hours lodge in your brain as particularly memorable.

One such experience occurred in Madrid in December 2022. It happened at Del Diego, a bar that was opened in 1992 by Fernando …