The Aussies have their vegemite, the Europeans their nutella, but the sandwich spread that unequivocally and perhaps uniquely defines the American palate is peanut butter. This book tells you all you need to know about peanut butter from its humble origins (no, George Washington Carver was not its inventor) to the consolidation of the triumvirate of national brands: Jiffy, Skippy , and Peter Pan . Did you know that peanut butter tastes more flavorful when made from Spanish, Valencia, or Virginia peanuts and not the less tasty (but easier to process) florunners ? A major “improvement” in peanut butter production was eliminating the oil separation which still characterizes natural brands. Unfortunately for the consumer, the solution to a creamy, more stable spread was adding partially hydrogenated oil, this being the poster child for trans-fats, the nutritional bad boy in recent years. (The U.S. government calls standard grocery store peanut butter...