During the 17th and 18th centuries the best merchant traders in London sourced, blended and traded ingredients never seen before. Rich tropical fruit notes of Double Barrel Rum are accentuated by the fresh grapefruit and lime juice and sweetened with the lifeblood of a merchant trader - sugar.
1. Chill a coupe glass.
2. Pour all the ingredients into a cocktail shaker and shake thoroughly with ice.
3. Double Strain into the chilled glass.
4. Garnish with a grapefruit twist.