Combine ingredients in a mixing glass and fill with ice. Stir until well-chilled and strain into an ice-filled old fashioned glass. Garnish with a blackberry, mint or basil leaf.
Notes
Blackberry simple syrup recipe:
1 cup sugar
3 cups frozen blackberries
1/4 cup water
Combine ingredients in a saucepan and cook until the blackberries until thawed, soft and very juicy. Simmer for 10 min. Strain the blackberries out, pressing on them to get as much juicy syrup out of them as possible. Let cool and store in a bottle for one to two weeks.