Fall flavors are officially in! Chick-Fil-A is testing a new Autumn Spice Milkshake! The new milkshake will start getting tested on September 27th! According to Chewboom, the hand-spun Autumn Spice Milkshake features the brand’s Icedream dessert combined with the rich flavors of cinnamon, cardamom and orange, as well as crunchy bits of speculoos cookies. The shake is topped off with whipped cream and a cherry.