1. Combine peanut butter, butter, vanilla extract, powdered sugar, and crispy rice cereal in a large mixing bowl and mix until well combined. 2. Shape into balls and refrigerate. 3. Melt candy coating following melting directions on the package. Dip the peanut butter balls into the chocolate. 4. Transfer to wax paper and sprinkle chopped peanuts on top immediately. Let candy stand until the chocolate is firm.