The largest cupcake weighs 1,176.6 kg (2,594 lb) and was achieved by Georgetown Cupcake (USA) at Georgetown Cupcake's national shipping headquarters in Sterling, Virginia, USA, on 2 November 2011.
Georgetown cupcake is Washington DC's first gourmet cupcake bakery and its owners are also subject of a docu-drama television series, 'DC cupcakes' on the TLC network. The attempt was aired during a one hour 'DC cupcake' episode that aired on 16th January on the TLC network. The oven and pan were custom made for this attempt and the pan was unassembled easily inorder to prove that the cupcake was fully cooked and free standing with no support structures in place. The cupcake was 56 inches in diameter and 36 inches tall. The pan itself weighed 305.9 kg.
Comments below may relate to previous holders of this record.