Oreo is offering a sweet prize to anyone who can correctly guess their limited edition mystery flavor.
Over the last few years, the company has rolled out dozens of new flavors, but now they're taking it to a new level.
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Nabisco, Oreo's creator, said the mystery flavor is from their vault, and rather than telling consumers what the flavor is, they're letting them guess.
Those who guess correctly will be entered for the grand prize of $50,000. While five others will win a $10,000 prize.
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The cookies hit shelves on Monday and they're already getting mixed reviews.
While some disapprove, others said the flavor is nostalgic.
But voters are split. While some are taking a more creative approach when it comes to guessing - like saying the mystery flavor is Axe Body Spray or anchovies - others said the taste is very familiar.
So far, it appears that the main consensus is that the cookies are Froot Loops or Fruity Pebbles flavored.
But there's only one way to know for sure - grabbing a bag for yourself!
Those interested have until November 30 to submit their guess online.
The winners will be released sometime in December.