75 ml Havana Club® dark rum (3 year old)
1 tsp (heaped) Muscovado sugar
6 lime wedges
10 - 12 mint leaves
25 ml passion-fruit puree
50 ml soda
2/3 of a glass crushed ice

Muddle lime, sugar, soda, 8 to 10 limes leaves anda tea spoon of crushed ice, then add, ice, passion fruit and rum, THEN, mix vigerously for one minute, and garnish with rest of mint and a straw.