Step 1.
- Fill a shaker with ice.
Step 2.
- Add 2 ounces of bourbon, 1 ounce of fresh lemon juice, 0.5 ounces of simple syrup, and 0.75 ounces of muddled blueberries to the shaker.
Step 3.
- Shake well for about 15 seconds.
Step 4.
- Strain the mixture into a highball glass filled with ice.
Step 5.
- Top with club soda and gently stir to combine.
Step 6.
- Garnish with a fresh mint sprig.