My client is having a Dr. Seuss-themed party for her son's first birthday and she requested a smash cake to look like the hat from "The Cat in the Hat." I don't want to use buttercream because I know it'll look sloppy with that specific design, but I don't want the fondant to harden so much that the baby can't smash it up. What if I freeze the cake and pull it out the morning the client is to pick it up? Would the fondant stay soft enough? Any thoughts or advice would be much appreciated.
I wouldn't put fondant on a smash cake for a 1 year old. It could be a big choking hazard. I suggest butter cream only.