Os cupcakes são uma mentira ... essencialmente.
O "evento" não é aquela noite.
Em Reddit :
2) The in-kitchen filming did take place in one day, but not necessarily the staged drama. The final challenge that I mentioned before, where they had to make 1000 cupcakes, was for a Hollywood event that was supposedly that night. It was actually weeks later.
Todos os cupcakes feitos naquele dia são
MG: After each show, the winners always get to go to these parties; why aren’t the judges invited?
FB: Of course since it is TV, they make you think the party is that night. It would be impossible to have the show shoot the same days as the events. On TV, we make it look like they go straight to the parties. They show up at a later date and it makes it more difficult. The winning display is saved but they have to re-bake all of the thousand cupcakes. The day of shooting those cupcakes go to charity. Sometimes the contestants are coming from the East Coast and the party is in Los Angeles. So it is a big of trip sometimes for these contestants.