For a frothier texture, you can add an egg white to the shaker before shaking (this variation is often called a Gin Sour with egg white or a Boston Sour). Always ensure the use of fresh lemon juice for the best flavor. Adjust the sweetness to your taste by varying the amount of simple syrup.
Keyword Citrus, Classic Cocktail, Cocktail, Gin, Gin Sour, lemon juice, Refreshing, Shaken, Simple Syrup, sour cocktail