In-N-Out vs. Five Guys vs. Shake Shack: The First Bi-Coastal Side-By-Side Taste Test | A Hamburger Today Posted on May 18, 2011 by Rob Pollak In-N-Out vs. Five Guys vs. Shake Shack: The First Bi-Coastal Side-By-Side Taste Test | A Hamburger Today Shake Shack 1, In-N-Out 0 Help make me famous:TweetShare on TumblrEmailLike this:Like Loading...