Oreo

An Oreo is a sandwich cookie consisting of two (usually chocolate) wafers with a sweet crème filling. Introduced in 1912, Oreos are the best selling cookies in the United States. As of 2018, the version sold in the U.S. is made by the Nabisco division of Mondelez International. Oreos are available in over one hundred different countries; in some countries, such as the United Kingdom, they are referred to as Oreo biscuits. Many different varieties of Oreo cookies have been produced, and limited edition runs have become popular in the 21st century.