Cacao (Chocolate) fruit

Origin: Cacao is believed to have evolved in the Upper Amazon region, including some of Peru, Ecuador, and Colombia. From there, it spread Northward. 

Flavor Profile: The flesh of Cacao is sweet and slightly citrusy. The seed is rich, like dark chocolate or fresh coffee. 

How to Eat: Cacao is ready to eat raw. The sweet flesh of the seeds can be eaten inside the cacao pod, and the seeds can also be eaten raw. If you want to make cacao nibs, roast or thoroughly dehydrate the seeds, then pulse and blend them in a food processor or blender.

Warning: Cacao seeds contain caffeine and theobromine 

https://floridafruitgeek.com/2019/07/31/what-its-like-to-eat-cacao-fruit/