Prepare the Brussels sprouts by washing them, cutting off the stem, and trimming off excess leaves.
In a medium bowl, melt the chocolate wafers in the microwave at 15-second intervals. Stir in between intervals until the chocolate is a smooth consistency.
Using a fork, dip the Brussels sprouts into the chocolate and place on a parchment paper-lined baking sheet.
In a small bowl, melt the white chocolate wafers in the microwave at 15-second intervals. Stir in between intervals until the chocolate is a smooth consistency.
Drizzle the white chocolate over the balls and and top with sprinkles.
Place the Brussels sprout cake balls into the fridge to harden before serving.