Amaretto (Italian for "a little bitter") is a sweet liqueur that originated in Saronno, Italy.
While originally flavoured from bitter almonds, various modern commercial brands are prepared from a base of apricot stones, peach stones, or almonds, all of which are natural sources of the benzaldehyde that provides the principal almond-like flavour of the liqueur.
Amaretto can be drunk by itself, used as an ingredient to create several popular mixed drinks, added to coffee or used in culinary applications.