1 ounce dark rum
1 ounce light rum
1/2 ounce Galliano
2 ounces freshly-squeezed orange juice
2 ounces pineapple juice
1 ounce passion fruit syrup or passion fruit nectar
3/4 ounce freshly-squeezed lime juice
1 ounce simple syrup
Dash of Angostura bitters
Pineapple wedge, for garnish
Combine the dark and light rums, Galliano, orange juice, pineapple juice, passion fruit syrup, lime juice, simple syrup, and bitters in a cocktail shaker with ice and shake well.
Strain into a hurricane glass and garnish with pineapple.