Key Lime Pisco Sour

Ingredients

1. 1 medium egg white
2. 1 1/2 ounces pisco, preferably acholado
3. 3/4 ounce fresh key lime juice
4. 3/4 ounce simple syrup
5. Angostura bitters
6. ice

1. In a cocktail shaker, combine the egg white, pisco, key lime juice, simple syrup and 1 dash of Angostura bitters and shake vigorously for 10 seconds. Fill the cocktail shaker with ice and shake vigorously for 20 seconds. Strain into a chilled cocktail glass and top with 3 drops of Angostura.