Oreo took to Twitter to confirm that it's a churro-flavored creme, writing, "nice work, super-sleuths."
In September, Oreo launched a contest asking participants to guess the flavor.
Case closed! The #MysteryOREO is Churro flavored creme. Nice work, super-sleuths 🔍 We have notified the winner directly. More details at https://t.co/rzgYKuUnE9. pic.twitter.com/CAs8VBbNWx
— OREO Cookie (@Oreo) December 2, 2019
A winner has reportedly been notified and will receive $50,000.
Oreo told People magazine that other top guesses from fans were funnel cake, graham cracker and gingerbread.
The cookie company said the new churro-flavored creme Oreo should be available nationwide.