Food and drinks, from complete dishes to flavorings and beyond.
Zest is the outside, coloured layer of citrus fruit like lemons and oranges. It is used to add flavour to many different kinds of food. Zest is removed from citrus fruit using a special tool called a zester, or just with a regular grater.
A zucchini is another word for a courgette. It is very closely related to squash and pumpkins.