Grapefruit Gin Fizz

This refreshing and citrusy cocktail combines grapefruit liqueur, gin, and egg white to create a frothy and flavorful drink. Ingredients: - 1.5 oz grapefruit liqueur - 1.5 oz gin - 1 egg white - 1/2 oz simple syrup - 1/2 oz fresh lemon juice - Grapefruit peel and rosemary sprig (for garnish) Instructions: 1. In a cocktail shaker, combine grapefruit liqueur, gin, egg white, simple syrup, and lemon juice. 2. Dry shake (without ice) for about 20 seconds to emulsify the egg white. 3. Add ice to the shaker and shake again for about 10 seconds to chill the drink. 4. Strain the mixture into a chilled glass. 5. Garnish with a twist of grapefruit peel and a sprig of fresh rosemary. 6. Enjoy your Grapefruit Gin Fizz!