Combine ingredients
Add the bourbon whiskey, fresh lemon juice, simple syrup and egg white to a cocktail shaker.

EatSen · Recipes
A classic International cocktail combining smooth bourbon with fresh lemon juice and simple syrup, shaken with egg white for a silky, velvety foam. The Angostura bitters garnish adds aromatic complexity to this timeless sour.
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per serving
Add the bourbon whiskey, fresh lemon juice, simple syrup and egg white to a cocktail shaker.
Seal the shaker and dry shake vigorously for 15 seconds without ice to emulsify the egg white and create a thick foam.
Open the shaker, add the ice cubes, and seal again.
Shake vigorously for 15 seconds until the shaker is frosty and well-chilled.
Double strain into a rocks glass filled with fresh ice using a Hawthorne strainer and fine mesh sieve.
Gently dash Angostura bitters over the foam surface to create an aromatic garnish.
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