In a food processor, blend the nuts until they break down finely. Careful not to over-blend, or it will begin to release its natural oils and you’ll end up with peanut butter!
Add in the cacao powder, salt and vanilla. Pulse until well combined.
Blend in the dates one at a time, making sure that there are no pits.
You’ll end up with a crumbly mixture which you can shape into balls or flatten out like a brownie.