Shake Shack. One of the better hamburgers in NYC. They also have a Portobello mushroom veggie burger that's pretty rad :)
Burgers, Fries and Chocolate Shakes from Shake Shack NYC...You have to eat here when you visit NY!
It's all in the secret sauce and we have the recipe!!!
Shake Shack’s Shack Burger | The Best Under-$10 Eats In NYC, According To Actual Chefs
cheese fries and burgers oh my
The Shake Shack in Madison Square Park | Nikola and Tamara on Flickr, August 2013, shakes, burgers, lunch
Shake Shack Sauce
The menu for this location, Madison Square Park; The Original.