1.5 oz white rum
0.5 oz lemon
0.5 oz lime
0.5 oz hibiscus syrup*
0.5 oz falernum
handful mint leaves
Shake with 1/2 cup of crushed ice
Pour unstrained into a tall goblet. Add more crushed ice and dome it out.
Garnish with a mint sprig, hibiscus leaves, and angostura bitters