" For those who could afford a visit to the sanitarium that John Harvey Kellogg was building in Battle Creek, Michigan, food innovation was under way, but primarily with existing ingredients, not new ones. In 1884, Kellogg, a doctor, was clumping together oats for something he'd later call granola. He pureed peanuts into butter, and soy into milk. Visitors to Kellogg's dining room found potatoes baked, mashed, or boiled. Eggs, for the most elite, came with the deluxe option of being poached, floated, runny, scrambled, made into cream, or drunk as nog. Food companies brought new products that demanded, for the first time, a type of culinary marketing. Chocolate milk and root beer excited young people in the summer of 1872, followed by margarine, its original name "butterine" (a name producers of real butter fought until it was changed). In 1876 at the World's Fair in Philadelphia, a delicacy called a banana, originally a crop of the Malay Islands, made its public debut in the United States, selling for a dime apiece and wrapped in tinfoil to prevent its phallic shape from offending the crowd's Victorian sensibilities. How else to eat one but with a fork and knife? "

― , The Food Explorer: The True Adventures of the Globe-Trotting Botanist Who Transformed What America Eats