Gingernuts or ginger biscuits are a popular type of snack foo, and are often referred to as gingersnaps in the United States and Canada. They are called gingersnaps because people tend to snap at them. They are biscuits/cookies flavoured with powdered ginger, anise, and other spices. They are sold and made worldwide and have a long history, probably dating back to medieval fairs. They generally measure 5cm (two inches) in diameter.