Fruity aguas frescas, or "fresh waters," are popular all over Mexico. When head bartender Greg Hoitsma poured the purple-red Hibiscus Agua Fresca into this drink, he instantly came up with its name...
In a cocktail shaker, muddle the lime pieces with the Simple Syrup. Add the ice and cachaça and shake well. Pour into a rocks glass and pour the Hibiscus Agua Fresca over a bar spoon on top.