1. In a small saucepan add the water and sugar. Heat on medium until it comes to a boil and the sugar has melted. Reduce the heat to low and add the mint. Steep the mint for 30 minutes. 2. Pour the syrup through a fine mesh strainer to remove the mint leaves into a container. Set in the fridge to cool.
MAKING THE MARGARITAS
1. In a pitcher, add ice, the tequilla, cointreau, simple syrup and lime juice. Stir until well combined, about 1 minute. Serve in a salted glass over ice. Garnish with lime and more sprigs of mint.