Wikipedia
Winstead's
Winstead's is a hamburger chain based in Kansas City, Missouri. The chain opened in 1940 and has nine locations in Kansas and Missouri. Apart from its burgers, Winstead's is known for the Streamline Moderne style of its original restaurant, and "skyscraper" sodas and milkshakes built to serve five or six. The chain is owned by Haddad Restaurant Group.
Food Network Magazine rated Winstead's the Best Hamburger in the state of Kansas. Food critic Calvin Trillin considers Winstead's to have the world's best cheeseburgers.