Whiskey Sour

Preparation

1. 1.

   Add all ingredients to a shaker. If using egg white, dry-shake (without ice) for 30 seconds.

2. 2.

   Add ice and shake again for 15–20 seconds, or until well chilled.

3. 3.

   Strain into a rocks glass over fresh ice, or into a coupe without ice.

4. 4.

   Garnish with 3–4 drops of Angostura bitters.