I have never done this, but at one point I considered doing it for a cake competition (I ended up using BC instead), anyway, the advise I was given was no, it will not stay on the cake by itself and the suggestions were to either lightly mist the Styrofoam with water or to thinly spread shortening on the Styrofoam.
HTH! ![]()
All my styrofoam pieces in cakes (whether cake box topper or in competition pieces)... I just used water and the fondant STUCK like glue to the styrofoam. Watch when placing the fondant - it sticks quick
and is hard to move once on... not like BC on a cake!!
A great tip I learned from Susan Carberry's classes is to paint on a coating of shortening on the styrofoam. It's so much easier using a paint brush ( 2" wide or so). No need to use up buttercream and so much less messy than piping gel. The fondant will stick to it just fine.
KimAZ
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