The BN Biscuit (or Biscuiterie Nantaise) is a French brand of biscuit, consisting of a filling, such as chocolate, sandwiched between two biscuits. It was launched in 1997, acquired by United Biscuits in 1998, and relaunched in September 2000. They are manufactured at the United Biscuits site in Vertou, France.BNs are produced in two different shapes: circles and rounded squares. One side of the biscuit is decorated with one of four different faces.