- 1 1/2 ounces Cocchi Americano Bianco
- 1 ounce elderflower liqueur, such as St-Germain
- 2 ounces club soda
- 1 grapefruit twist
- Fill a 10-ounce Collins glass with ice. Add Cocchi and elderflower liqueur. Top with club soda, stir briefly with a long cocktail spoon, and garnish with a grapefruit twist.