Liquid vanilla extract is a kitchen ingredient that is made from vanilla pods macerated in alcohol and water. It is used to add flavor and aroma to pastry recipes, such as cakes, cookies, ice creams and puddings, as well as other dishes and drinks. There are many varieties of liquid vanilla extract available on the market, each with its own flavor and its own aroma. The most popular varieties are Bourbon vanilla extract, Tahiti vanilla extract and Madagascar vanilla extract.