3 dozen mint leaves, muddled in a large cup with a fork or wooden spoon
7-8 limes juiced (more limes if you use smaller key west limes)
1 1/2 C simple syrup
1 bottle Cachaca
1 liter of sparkling water
Add lime juice, simple syrup and mint leaves to punch bowl. If you have not muddled the mint yet, do so now. Add cachaca and sparkling water. Ladle into cups over ice.