Royal Gin Fizz
Royal Gin Fizz: Gin, Lemon, Powdered sugar, Egg and Carbonated water. Served in a highball glass.

The Spec
Method
Shake all ingredients (except carbonated water) with ice and strain into a highball glass over two ice cubes. Fill with carbonated water, stir, and serve.
Served in a highball glass.
Spec held as sourced — TheCocktailDB. The house never guesses a drink.
What to pour
Bottles in the cellar for each line of the Royal Gin Fizz spec:
- Gin — Aviation, Beefeater, Bombay Sapphire, and 43 more
Drinks that share this spec
Shares Carbonated water, Gin, Lemon and Powdered sugar with Gin Fizz. If your shelf makes Royal Gin Fizz, it is already most of the way to these:
Gin Fizz · Lady Love Fizz · Chicago Fizz · Gin Cooler · Gin Sling · Gin Squirt · Imperial Fizz · Japanese Fizz