Scotch Sour

• 2 ozblended Scotch whisky
• 0.75 ozlemon juice
• 0.5 ozsimple syrup
• 2 dashangostura bitters
• 1egg white

Preparation

1. 1.

   Add Scotch whisky, lemon juice, simple syrup, Angostura bitters, and egg white (if using) to a shaker, and dry-shake for 30 seconds without ice.

2. 2.

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

3. 3.

   Strain into a rocks glass over fresh ice.

4. 4.

   Garnish with an orange twist.