In a tin or silver glass pour simple syrup and add mint leaves. Muddle thoroughly until mint leaves are broken up, their oils have been released and the glass fragrant. Pour in bourbon and stir lightly. Pack glass fully with crushed ice and garnish with mint sprig.
- INGREDIENTS: 2 oz (6Cl) bourbon 1/2 oz. (1.5Cl) simple syrup mint leaves, plus a sprig for garnish