You could spend a fortune———there’s a silicone mold for everything under the sun.
The Pineapple Truffle cook bought her pineapple shapes in
(ta da) Hawaii.....said she paid a lot but had to have them.
Sounds familiar.
We bought the same one that Dot has in that video - not expensive at all.
(Depending on the ingredient, it seems that grinding up the freeze-dried items could result in very intense flavor. I think I’ve read about doing that with dried mushrooms as a flavoring.)