Shake Shack
If you're in the area, this is definitely a great place to go. Shack Shack closes for the winter because they only have outdoor seating available. Beware of the peak lunch time because the line can get very long.
Madison Square Park
23rd St & Madison Ave
New York, New York 10010
p: 212.889.6600
w: www.shakeshacknyc.com