There are already some items existing that could be used toward making a completely edible RPG experience. I have more than once received chocolate polyhedral dice from people, and of course there are the classic pirate coins that are chocolate inside the gold foil. There are many molds and cutters that could be a starting place.

Please paste links, photos, examples, of existing items that you think would be a good fit for an edible RPG experience.

Perhaps we can turn this into a howto book down the road, compiling all the resources and ideas to make a fully edible RPG experience!