Freakonomics author Stephen Dubner claims a double cheeseburger from McDonald's is: “The cheapest, most nutritious and bountiful food that has ever existed in human history”.
I think he's overlooking the hidden subsidies but he's right that it offers excellent value for money (if you remember to keep taking your statins). http://nypost.com/2013/07/28/the-greatest-food-in-human-history/ http://nypost.com/2013/07/28/the-greatest-food-in-human-history/