13 Oreo Flavors That Debuted in 2019 That Made It a Sweet, Sweet Year

Nabisco brought back its Mystery-flavored Oreos in 2019, and after months of guessing, that flavor was finally revealed as Cinnamon Sugar Churro Oreos! Through Nov. 10, cookie-lovers were allowed to submit their flavor guesses to www.MysteryOREO.com for a chance to win $50,000. The winner has since been notified, leaving the path for 2020's winner wide open.