You can substitute any fruit you like and it will be delicious!
2 ripe mango, peeled, seeded and chopped (you can use frozen if you like)
1/4 cup lime juice (2 limes)
2 Tbls sugar syrup
1 cup white rum
1 Tbls Triple Sec (otional)
Place the mango, lime juice, sugar syrup, triple sec and rum in a blender and process until smooth.
Pour the mixture over a glass full of crushed ice.
Note: To make sugar syrup, heat 1 cup sugar and 1 cup water in a small saucepan until the sugar dissolves.