It needed more than 600 eggs for the mix. It had to be baked in an industrial oven. And a forklift was brought in to assemble the all-important parts. But when it came to the crunch, did it all come together?
Watch this video of the military-style operation involved in putting together a Victoria sponge that, it's hoped, will break records.
A baker from Dorset has made what is thought to be the largest Victoria sponge in the world. The five feet wide cake will go on display at the Royal Bath and West Show later this month as part of their 150th anniversary celebrations. We've been following its progress throughout the day.