This Wisconsin burger typically features a lean sirloin patty or Black Angus beef topped with Wisconsin butter that oozes down into the burger and onto the plate.
The Mississippi slugburger mixes the patty meat with some kind of filler, such as soy grits, cornmeal, flour, or bread crumbs. They were popular during the Depression.
A cross between a hamburger and a grilled cheese sandwich, the California patty melt is made with a beef patty, melted cheese, caramelized onions, and toasted rye bread.
This Minnesotan concoction is a hamburger patty bursting with a center of melted cheese. It originated in South Minneapolis, either at Matt's Bar or the 5-8 Club.
This Cuban burger first showed up in Florida in 1961. The original take featured paprika-spiced burger patties, crunchy shoestring fries, and a Cuban roll.
The modern take is usually made with a seasoned all-beef patty, although sometimes the meat is mixed with chorizo. Some restaurants offer a fried egg or cheese for toppings.