Among the many things New Yorkers pride ourselves on is food: making it, selling it and consuming only the best, from single-slice pizza to four-star sushi. We have fish markets, Shake Shacks and, as of this year, 74 Michelin-starred restaurants. Yet most everything we eat is fraudulent. In his new book, “Real Food Fake Food,” author Larry Olmsted exposes the breadth of counterfeit foods we’re unknowingly eating. After reading it, you’ll want to be fed intravenously for the rest of your life.