Either peel off the zest of citrus fruit in wide strips with a vegetable peeler, or grate finely. Remember to remove zest before cutting and squeezing - it's almost impossible afterwards.
Pare the zest from the limes (or other citrus fruit) in thick strips using a vegetable peeler, then cut the strips into thin sticks. Put the zest in a small saucepan and cover with cold water.
Goldstein adds, "I also find that adjusting the amount of pressure you put on the peeler as you drag it through the fruit will change the thickness and can allow you to mold the citrus a bit more ...