The oldest restaurant chain in America began as a root-beer stand in 1919 and still makes its famous brew on-site before topping it with creamy vanilla soft serve
White Castle's Original Slider, invented 100 years ago, is a thin, square patty with five holes to cook quickly.
KFC Original Recipe Chicken was invented at a Corbin. Colonel Sanders began preparing his childhood fried chicken in a pressure cooker with 11 herbs and spices for customer
Krispy Kreme's Original Glazed donut, a light, secret recipe delicacy, has driven the chain's global popularity for 84 years
The non-secret In-n-out menu is famed for its animal-style option. This is a typical burger with mustard in the patties.
Best-in-class string fries have crispy edges and mushy centers. These 1949 inventions are cooked in vegetable oil and seasoned with meat.
The compact, crunchy beef, cheddar, and lettuce snack may be one of the most influential fast foods ever.
It was a 4oz (113g) beef patty with tomatoes, lettuce, mayo, ketchup, pickles, and white onion in a sesame seed bun meant to be fancier than Wendy's and McDonald's.
The majority of its sales are for its medium-thick, floppy crust pepperoni pizza with tomato sauce, bubbling cheese, crispy pepperoni slices, and garlic dipping sauce.