In a large bowl, combine butter with peanut butter and powdered sugar until smooth. Add in the powdered sugar until it is fully combined. Fold in the rice krispy cereal.
Roll the dough into balls, and place them onto a large plate, refrigerate for at least 20 minutes.
Place the white chocolate chips into a microwave-safe bowl, and heat in the microwave until it is fully melted and smooth.
Use a fork to fully coat each peanut butter ball in the melted chocolate. Set them onto a large plate, and let sit until the chocolate has completely set.
