Is it possible to use a plaster of paris mould to make jelly?
Hard Plaster of Paris absorbs water like all git out So if you put jelly into a mold made of it, the plaster will suck the moisture and color into it, make the edge of the jelly thicker and chewier – if eaten. The easiest way to try and deal with this (no guarantees) is to spray the mold with aerosol spray fat like Pam to block the flow of liquid.
