Pat LaFrieda Meat Purveyors it created the customized hamburger patty for Keith McNally's Minetta Tavern. Pat LaFrieda Meat Purveyors Pat LaFrieda Meat Purveyors is a third generation meat wholesaler based in North Bergen, New Jersey that specializes in dry-aged steaks and artisanal burger patties but also supplies selected cuts of beef, pork, poultry, veal, lamb and buffalo. The company provides meat for the “Black Label Burger” at Minetta Tavern, as well as other signature custom blends at New York City restaurants such as Shake Shack, Spotted Pig, Union Square Café, Blue Smoke and Market Table. Pat LaFrieda Meat Purveyors began when Anthony LaFrieda (Pat
History of the hamburger Food and Drug Administration. "The Jungle" was a milestone in the subsequent history of the hamburger, as it led the American public to force restaurant chains to prove the safety of their cooked meat. In 1933, Arthur Kallett published a similar book, entitled "100 million guinea pigs; Dangers in Everyday foods, drugs, and cosmetics", which warned consumers specifically about the content preservatives in hamburgers. The exact origin of the hamburger may never be known with any certainty. Most historians believe that it was invented by a cook who placed a Hamburg steak between two slices of bread in a small