Combine the California prunes and cashews in the bowl of a food processor fitted with the “S” blade. Pulse 8-10 times until the prunes and cashews are broken down into similar size pieces. Add the cashew butter, dark chocolate chips, cocoa powder, and salt to the food processor then [process until everything is uniform in size and is starting to bind together.
The mixture can be rolled into 16 two-bite balls at this point or formed into a small square and sliced into 8 equal-sized bars.