What flavor milkshake is most popular in the United States?

 

http://www.peanutbutterandpeppers.com/wp-content/uploads/2013/05/Chocolate-Protein-Milk-Shake-042a.jpg

 

Answer: Chocolate

 

 

According to a USA Today Poll:

Chocolate 31%

Vanilla 19%

Strawberry 13%

Oreo 7%