Ok. I am making a Hot Cocoa mug cake for a birthday. It is straight sided (after 3 rebakes, I'm not even attempting to sculpt this sucker!) and composed of four 9" rounds torted and stacked.

Smore's cake - graham cracker cake, marshmallow B/C filling (torts) with chocolate ganache between layers (so 3 fills of MMBC and 3 of Ganache).

Since the ganache layer will be in the middle, can I put a cake circle between layers 2 and 3 then lift off the top two cakes? Thus essentially having two 9" two layer cakes to serve? (Just in case that doesn't make any sense: When I say layer I mean one 2" cake, torted.) Or will this just become a huge mess? If it is a bad, bad idea, then I'm open to suggestions. It is way too tall of a cake to serve as slices.

It will be "iced" in ganache and covered in MMF.

Do I add supports?

Beauler....Beauler....

yes, use supports, then cut & serve top 'layer/tier' remove circle, and cut the bottom 'layer/tier' )

that's exactly how i constructed my 'pearl' octopus on the nemo stack cake in my gallery.

Thanks. mrsbriggs. That makes sense, I was afraid cutting the top would crush the bottom but if you put in supports, that won't happen.