Five Guys’s new blackberry shakes are here for the summer so we’re trying them out. Following up the brand’s fan favorite coffee milkshake mix-in comes the blackberry. Fruity for the summer, so you can do it up with whatever customizations you want including chocolate, vanilla, OREO, peanut butter, bacon, salted caramel, and more. Will you be trying Five Guys’s new blackberry milkshakes? #fastfood #foodstagram #fiveguys #milkshake #burger