Hamburger Mary's (Milwaukee). Each location is unique, with a large dance floor in Long Beach and a microbrewery in Chicago. Hamburger Mary's believe in "You are what you eat," and they serve fresh ingredients. They are fresh and made-to-order with an assortment of toppings on a bakery-fresh bun, including the popular "Buffy the Burger Slayer," "Queen Mary" and the one-pounder "Proud Mary." The burgers are fresh and never frozen all-natural beef for the half-pound burgers. Many locations also offer turkey burgers, homemade black bean patties, chicken breast and other substitutions. They offer a full lunch and dinner menu including homemade chili, soups,
Hamburger critics like Josh Ozersky, a food editor for "New York Magazine", claim that this sandwich was not a hamburger because the bread was toasted. One of the earliest claims comes from Charlie Nagreen, who in 1885 sold a meatball between two slices of bread at the Seymour Fair now sometimes called the Outagamie County Fair. The Seymour Community Historical Society of Seymour, Wisconsin, credits Nagreen, now known as "Hamburger Charlie", with the invention. Nagreen was fifteen when he was reportedly selling pork sandwiches at the 1885 Seymour Fair, made so customers could eat while walking. The Historical Society explains that