- 2 fluid ounces pisco
 - 3/4 fluid ounce lime juice
 - 3/4 fluid ounce simple syrup
 - 1 egg white
 - 1 cup ice
 - 4 drops Angostura bitters
 
- Combine Pisco, lime juice, simple syrup, and egg white in a cocktail shaker. Cover and shake for 10 to 20 seconds to emulsify the egg white. Add ice; cover and shake until chilled.
 - Strain into chilled Champagne coupe. Garnish with 4 drops Angostura Bitters swirled with two straws.