Fast food restaurants, led by WHATABURGER, are really “shaking” diners up in Texas with new Dr. Pepper shakes — a combination of Dr. Pepper added to a vanilla shake. Dr. Pepper, once thought to be nothing more than carbonated prune juice, has been around for a long time, with some orders adding chocolate syrup to the mix. Will the “Pepper Wave” spread beyond Texas? We’ll see!!!
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