Ramos Fizz
Coral "Dusty" Chandler
At the Sanctuary Club bar, the bartender greets Coral with her usual Ramos Gin Fizz while Rip Murdock (Humphrey Bogart) questions him; the fizz is her signature drink through the film.
“Nobody can make them the way you can.”
Sources: The Kitchn: The Celluloid Pantry - Ramos Gin Fizz and Dead Reckoning (1947); Cheryl Charming (Miss Charming): Cocktails in Film