https://play.podtrac.com/npr-510313/edge1.pod.npr.org/anon.npr-mp3/npr/hibt/2016/09/20160930_hibt_clifbar.mp3Gary Erickson asked his mom, “Can you make a cookie without butter, sugar or oil?” The result was Clif Bar, an energy bar named after his dad — now one of the most popular energy bars in the U.S.
