Ingredients

1/2 cup sugar 

1/2 cup water 

10 cups crushed ice 

1/3 cup lemon juice (from about 3 lemons) 

1/3 cup lime juice (from about 5 limes) 

1 cup white rum 

1 cup fresh mint leaves 

Preparation

In a blender, combine sugar and water. Blend until sugar dissolves, 1 minute. Fill with ice. Add lemon juice and lime juice, rum, and mint. Blend until smooth.