The avocado is a medium-sized, evergreen tree in the laurel family. It is native to the Americas and was first domesticated in Mesoamerica more than 5,000 years ago. Then as now it was prized for its large and unusually oily fruit.

Olive oil is a liquid fat obtained by pressing whole olives, the fruit of Olea europaea, a traditional tree crop of the Mediterranean Basin, and extracting the oil. It is commonly used in cooking for frying foods or as a salad dressing.

Dark chocolate is a form of chocolate containing cocoa solids, cocoa butter and sugar without the milk or butter found in milk chocolate.