1 1/2 oz Gosling’s Black Seal Rum
1/2 oz Grand Marnier
3/4 oz blackberry jam
1/2 oz fresh lime juice
1 oz pineapple juice

In a cocktail shaker, add Gosling’s Black Seal, Grand Marnier, blackberry jam, lime juice, and pineapple juice. Shake well. Strain cocktail into a serving glass with a big ice cube. Garnish with lime, fresh blackberries, and a mint.