Oreo is offering a sweet prize for a lucky guess.
Anyone who can figure out oreo's limited edition mystery flavor could be eligible for a chance to win $50,000.
Those who guess the correct flavor through Nov. 30 will be considered for the grand prize.
Five $10,000 prizes are also being offered.
You're only allowed one guess each day during the sweepstakes period.
Visit oreomystery.com for more details.