Watermelon, Birthday Cake, Caramel Apple, Cookie Dough, Chocolate or Cool Mint, Strawberries n' Creme... name your filling and it might be in the next limited edition of an Oreo cookie.

With every upcoming holiday or season, Oreo, has come up with flavors that made us question, Did they really just make that into a cookie?

In the beginning of October, Oreo launched the "Mystery Oreo," contest (from October 9th-November 30th) where we decide what is Oreo's new limited edition flavor based off only the taste of the cookie and a chance at winning to $50,000. The Oreo cookie looks like your original white filling and black cookie sandwich, but the taste is completely different than the original.

In the spirit of the "Mystery Oreo," I've interviewed my friend, Kim Wittstock, who I consider an expert in 'Oreo flavors,' and she tried possibly every Oreo flavor to date (event the 'Mystery' one) of her favorite and least favorite Oreo flavors.

Favorites:

Fireworks Oreos

Peeps Oreo

S'mores

Chocolate Strawberry

Red Velvet

Birthday Cake

Peanut Butter

Oreo Thins

Dunkin' Donuts Mocha

Good, but "could have been better":

Cookie Dough

Cinnamon Bun

Not the best flavors:

Watermelon

Fruit Punch

There are more flavors that she's tried and more flavors that exist, but these were her the 13 flavors that she reviewed.

From Fruity Punch to Chocolate flavor filling there isn't a flavor that Oreo has tried possibly them all, and now it's our turn to figure out which 'Mystery' flavor Oreo has come up with now. Who knows what crazy flavor Oreo has come up with and will come up with next?