Instructions
- Fill a shaker with ice cubes.
- Add 1.5 ounces of bourbon to the shaker.
- Pour in 0.75 ounces of sweet vermouth.
- Squeeze in the juice of half a lemon.
- Add 0.5 ounces of simple syrup.
- Shake well until chilled.
- Strain into a highball glass filled with ice.
- Top with club soda and stir gently.