Student Council's Disassembled Cake Incident

Summary
A cake meant to go to the Principal ends up in Student Council. The message that came with the cake makes it sound like it is for them so they cut it up into several pieces.

So when the Principal asks if they have seen his cake, they have to work out how the cake fits back together due to the odd patterns in the icing and re-bake it so that he doesn't notice that it has been already cut.