Order up! Even though Kel Mitchell is an actor, his résumé is slathered in ketchup and mustard. “When people hear my name, they automatically always think of burgers,” Mitchell admitted to The Post.

When most people think of “American food,” one dish comes to mind more quickly than any other. It’s the star of our fast-food menus, a major player at roadside stands and bougie bistros alike, a dish ...