Upside down method buttercream

How to use the upside down method with buttercream.

[@josuerosado7609]

Apparently you got war that part where I didn't grab the bitumen!

[@cancer0707]

What did you put on the big round between it and the parchment paper?

[@forrest9881]

Buttercream, to keep the parchment from slipping on the board.

[@chantespringer1614]

I think its crisco( vegetable shortening)

[@josuerosado7609]

Apparently you got war that part where I didn't grab the bitumen!