Tzatziki (τζατζίκι (in greek) is a type of Greek appetizer also used as a sauce or side dish. The base includes the use of Greek yogurt, generally from sheep or goat, with grated cucumbers, garlic, vinegar or lemon, extra virgin olive oil, salt, pepper.
Other vegetables such as dill and mint can be added to these ingredients and they can change according to the typical tradition of the place where it is prepared or to personal taste.
Tzatziki one of the main components of the Greek souvlaki and gyros.
It is often served, accompanied by bread or pita, as the first course of a meal, with black olives.