For the Honey Syrup:
- 2 tablespoons honey
- 2 tablespoons water
For the Cocktail:
1. Make the honey syrup: In a small saucepan, combine the honey and water over medium-high heat. Cook until the honey has dissolved, 1 to 2 minutes. Let cool completely.
2. Make the cocktail: In a cocktail shaker, combine the rum, honey syrup, lime juice and ice. Shake until well chilled, then strain into a chilled coupe glass. Top with Prosecco, garnish with a dash of bitters and a mint leaf, then serve.