Why White Castle, America's oldest hamburger chain, stayed small

White Castle is a fast-food chain with a small footprint in the Midwest and Northeast. It's famous for its small, cheap hamburger sliders. It's widely considered to be the first hamburger fast-food chain in the United States. Almost a century later, White Castle isn't nearly as big as its rivals. Here's a look at why.
Tue, Nov 19 20199:45 AM EST