The town of Honolulu, Hawaii recently celebrated its Centenary in Supersized Style! They created a cake able to serve 10,000 people. It was made up of 108 sheet cakes, weighed over 1000 lb's, and is believed to be the biggest cake ever made in Honolulu!
From: http://youtube.com/watch?v=K_TXDz_R5KY
In celebration of the City of Honolulu's centennial, a giant cake was prepared and displayed at Honolulu Hale. It serves 10,000 people, one of whom was my 8-year-old daughter Katie, interviewed in this KITV segment from Sunday, July 2, 2006