Balut

A balut is a fertilized duck (or chicken) egg with a nearly-developed embryo inside that is boiled and eaten in the shell. It is commonly sold as streetfood in the Philippines. They are common, everyday food in some other countries in Southeast Asia, such as in Laos (where it is called Khai Luk), Cambodia (Pong tea khon in Cambodian), and Vietnam (Trứng vịt lộn or Hột vịt lộn in Vietnamese). Popularly believed to be an aphrodisiac and considered a high-protein, hearty snack, balut are mostly sold by street vendors in the regions where they are available. They are often served with beer. The Filipino and Malay word balut (balot) means "wrapped" – depending on pronunciation.