Zest 4 limes, keeping the zest separate.

Juice the 4 limes, keeping the juice separate.

Make a simple syrup by combining the sugar, water and the lime zest in a small saucepan.

Heat the simple syrup on medium heat and stir until sugar is dissolved.

Remove simple syrup from heat and set aside to cool.

In the bowl of your food processor, process the frozen cherries until finely blended.

Add in the fresh mint leaves and the juice of your 4 limes to the cherry mixture.

Process until smooth.

In a pitcher, mix cherry mixture with lime syrup and rums.

Pour into glasses over ice and enjoy immediately!