
Add the infused rum, cognac, orgeat, and citrus juices to a shaker with ice and shake until well chilled.
Strain into a highball glass over crushed ice.
Float the bitters over the top of the drink.
Juice half a lime and place the empty lime shell on top of the drink.
Pour the Chartreuse into the lime shell. Place a sugar cube in the lime and ignite with a match or lighter.