Popsugar Living Food News Wendy's Birthday Cake Frosty and Cookie Sundae Wendy's Has a New Birthday Cake Frosty Sundae, and It's Filled With Sugar Cookie Pieces November 16, 2019 by Perri Konecky First Published: November 11, 2019 View On One Page Photo 7 of 7 ADVERTISEMENT () Start Slideshow @Wendys birthday cake flavor is amazing 😍😍😍😍 pic.twitter.com/e9BJKd04B9— Dante Tardivo (@iamdantet) November 11, 2019 Share This Link Copy ← Use Arrow Keys → 7 Previous Next Start Slideshow Food NewsWendy'sDessertIce CreamFast Food