Mix peanut butter, butter and Pioneer Confectioners Powdered Sugar together in a large bowl. Add Rice Krispies® cereal. Mix well.
Roll into 1-inch balls; set aside.
In a double boiler, melt chocolate chips and shortening together. Dip balls into chocolate mixture (fork works best). Let cool on waxed paper.
Pioneer Sugar is the brand of Michigan Sugar Company, a cooperative owned by nearly 900 farmers from Michigan and Ontario, Canada. The company has been extracting pure, all-natural sugar from sugarbeets since 1906. We are proud of our past and excited about our future. Learn more about our company at www.michigansugar.com.