Read more: The Ultimate Vodka Brands, Ranked Using leftover lime rinds to make simple syrup takes a little more time than ...

Dissolve the arrowroot in a little water and whisk into the syrup until it is thick enough to coat the back of a spoon. Remove from the heat, stir in the lime zest and set aside to cool.

Pick out and discard the ginger. Stir the lime juice into the syrup; let cool completely. Meanwhile, using a sharp knife, peel all of the citrus fruits and cut off all of the bitter white pith.

Lime juice is also used in cocktails such as the mojito (fresh mint and whole limes crushed together with sugar syrup, angostura bitters, rum, ice and soda) rum punch and margarita.