From The Webtender Wiki
The Papa Dobles is a Cocktail consisting of Rum, Fresh Lime Juice, Grapefruit Juice, and Maraschino Liqueur.
The Papa Dobles is named for Ernest Hemngway.
- Two and a half jiggers of white Bacardi
- juice of two fresh limes,
- juice of half a grapefruit
- 6 drops Maraschino Liqueur
Blend with crushed ice, and then pour into glass.