That is a good question. I don't see why not and some of the historical literature refers to the use of certain Herrania seeds in the same way that cacao is. I think they are great little plants. I have
Cuatra casana
Angustafolia
Nycteroendrum
Balansae
Purpurea
I think those are the right names. I also have a couple of rare theobromas but those generally grow bigger.
Peter