In a large bowl, beat the sugar, peanut butter and butter until smooth. Shape into 1-in. balls; set aside.
Microwave chocolate chips and shortening on high until melted; stir until smooth. Dip balls in chocolate, allowing excess to drip off. Place on a wire rack over waxed paper; refrigerate for 15 minutes or until firm. Cover and store in the refrigerator.
Test Kitchen Tips
Leave a bit of chocolate-free space on each piece for an authentic buckeye look!