UpStairs on the Square • Cambridge, MA This restaurant in an early-19th-century Harvard theatrical club serves an exceptional (if untraditional) whiskey sour lightly sweetened with fresh orange juice. Plus: Ultimate Cocktail Guide
How to Make It
Step
Fill a cocktail shaker with ice. Add the whisky, citrus juices, Simple Syrup and egg white and shake vigorously. Strain into a rocks glass over ice and garnish with the orange wheel and cherry.
