01 -
In a cocktail shaker, combine the rum, lime juice, and pineapple juice.
02 -
Fill the shaker with ice and shake vigorously until well chilled.
03 -
Strain the mixture into a rocks glass filled with crushed ice.
04 -
Slowly pour the red passion fruit syrup over the top, allowing it to cascade through the ice.
05 -
Garnish with a pineapple slice or lime wheel.