OREO Mystery Flavor Contest


The OREO Mystery Flavor Contest is open only to residents of the Canada, the 50 United States (D.C.) and Puerto Rico, who are 18 years of age and older.


The OREO Mystery Flavor Contest ends at 11:59 pm ET on November 10.

How to Enter

There are two ways to enter.

Provide a Guess

Either purchase a package of the OREO Mystery product and taste the cookie or view Sponsor’s Sweepstakes advertisement(s) that contain a clue as to the flavor of the cookie. Then, visit MysteryOREO.com (U.S.A. $50,000) or MysteryOREO.ca (Canadian $25,000) and follow the links and instructions to complete the registration form and provide your guess as to the flavor of the OREO Mystery cookie.

If you provide a correct answer, you will receive one (1) entry into the Sweepstakes.

Mail In

To receive your Sweepstakes entry without making a purchase or providing a correct guess, hand print, on a 3″ x 5″ piece of paper, your name, street address, city, state, zip, daytime phone number, email address, date-of-birth, and a guess as to the flavor of the Mystery OREO cookie and mail it in a #10 stamped envelope with proper postage affixed to: OREO Mystery Flavor – Entry, P.O. Box 5224, Department: 840041, Kalamazoo MI 49003-5224.

Limit one (1) Sweepstakes entry, per email address/person, per day.


One (1) Grand Prize

A $50,000 check (U.S.A. version) and a $25,000 check (Canadian version).

Prize is non-transferable.