Buffalo - food so good it will stop your heart, and available nearly everywhere that sells food in the area
Buffalo Style Chicken Wings - deep fried crispy, coated in butter and Frank's Hot sauce, served with celery, carrot, and bleu cheese dressing - also some unique local and regional variations like the "Smitty" wings of South Buffalo
000_0234 by
bpawlik, on Flickr
Beef on Weck - thin slicked roast beef on a kummelweck roll (kaiser hard roll covered in salt and caraway seed) served with horseradish
IMG_0535 by
bpawlik, on Flickr
Fish Fry - traditional Friday Lenten fish fry, beer-battered haddock (formerly lake pike, sometimes cod), served with fries, coleslaw, usually choice of potato salad or macaroni salad
IMG_0439 by
bpawlik, on Flickr
Honorable mentions:
Stuffed banana peppers - still growing in popularity, cheese stuffed and baked or fried, with unique local variations (like a clams casino stuffed version)
(no picture available)
Sponge candy - an ephemeral candy - chocolate covered "sponge" which is an airy delicate toffee that is typically only produced in cooler months (it doesn't ship well to warm climates) - available in different types of chocolates and prices - there are many, many candy shops and producers all over the city (shown: candy case at Parkside Candies)
Buffalo, NY Parkside Candies candy cases by
army.arch *Adam*, on Flickr
Also lots of good ethnic foods available everywhere, especially during the summer festival season (May thru October) (shown: Italian sausage with peppers and onions)
IMG_2293 by
bpawlik, on Flickr