Perfect Manhattan

Directions

1. 1
   Fill a cocktail shaker or small pitcher with ice.
2. 2
   Add the bourbon, both vermouths, and the dash of bitters.
3. 3
   Cover and shake vigorously, or stir, until combined and chilled, about 30 seconds.
4. 4
   (In general, by the time the shaker mists up the drink is ready.)
5. 5
   Strain into a chilled cocktail glass.
6. 6
   Garnish with the cherry or orange twist and serve.