- 6 fresh basil leaves, plus a sprig for garnish
 - 11 blackberries, divided
 - 1 tablespoon fresh lemon juice
 - Ice cubes
 - 1/4 cup ginger beer, chilled
 - 2 tablespoons bourbon (optional)
 
- In a rocks glass, muddle basil (see note at top right) and 8 blackberries with lemon juice. Fill glass with large, square ice cubes and top with ginger beer and bourbon, if desired. Garnish with basil sprig and remaining 3 blackberries. Serve immediately.