Well, if I will say there is a bit difference between these three in terms of there functions and what each of them stands for.
Firstly, lemon peel is the whole skin of the lemon that is everything but the flesh which means lemon peel includes lemon zest but lemon zest does not include lemon peel. It is medicinal to some extent because of the vitamins, minerals and fibers which makes it beneficial to one’s health.
Meanwhile, it is rare to use the peel in recipes because of the white portion that tastes bitter and if at all you are going to use it for anything make sure you wash your lemon peel very well because of insecticides and pesticides. Lemon peel can be used as a flavor in teas.
Zest refers to the thin colored part of the peel which is used for seasoning food. You can zest a lemon by using a lemon zester or grater. Zest is actually the bright flavor of the fruit be it lemon, lime or orange.
It is the most widely use out of the three and contains the citrus oil and when you want to get the best result of getting zest out of a lemon is better to use a zesting tool. Zest is used for garnishing, decorating cake, dishes, cocktails and many more.
Rind refers to the outermost thin, shiny layer of the fruit’s peel that bears the oil glands that add a nice smell to the rind. Sometimes, it is called the skin of a lemon and used for simmering stews.
Must Read – Best Lemon Zester
In conclusion, these three are interwoven and are used interchangeably but the only one that is different from the other two is the zest and the functions it performs.