In the microwave or a saucepan, heat honey, peanut butter, cocoa powder and vanilla extract together until easily combined and warm.
Add the finely chopped dark chocolate and rice cereal into the peanut butter mixture.
Wet your hands and roll the mixture into balls, about 2-tablespoons large. You may need to rewet your hands each time you roll a new ball, and slightly crunch the ball into your palm so it sticks to itself.
Freeze the balls for 10 minutes. Store balls in the freezer or fridge depending on the texture you prefer.
Notes
If you're using unsalted peanut butter, add a pinch of salt when mixing everything together.
Recipe by Uproot Kitchen at https://uprootkitchen.com/2016/03/23/crispy-chocolate-peanut-butter-balls/