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.

(Find out how to make that dried citrus snack here.) If you are deft with sharp knife or a vegetable peeler, oranges and blood oranges work just fine, as long as you leave behind most of their ...

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.