Combine all ingredients except cacao nibs in a large bowl. Stir and kneed with your hands until well combined.
Add cacao nibs (or nuts) and kneed again to distribute throughout. NOTE: You can also add dried fruit here if desired.
Form into bite-sized (about 1-inch-diameter) balls, placing on a sheet of waxed paper as you work.
Dust or roll in cacao powder if desired. Alternatively, “dip” the top into garnishes like coconut and seeds, or press nut or dried fruit on top of each one.