If you’ve ever wondered what the perfect amount of time is to dunk your Oreo cookie in milk, and who hasn’t, a Huffington Post has taken on the research and answered the question.  The perfect amount of time is: 2.5 seconds.  To be honest though, the right dunk time also depends on how moist you want your cookie.  If you actually made it this far and want to see the results of their tests, you can check out the link here