1 1/4 oz of Orange Juice
1 oz of Dark rum
1 oz of white rum (or Light Rum)
1/4 oz of galliano herbal liqueur (or Herbal Liqueur)
1/2 oz of Lime Juice
Shake over crushed ice in a shaker, and strain into a collins glass half-filled with crushed ice. Garnish with a mint sprig and a stemmed cherry, and serve.