Chocolate to McNuggets: Book details history of kid food

This photo shows Kim Zachman posing with her book and plates of food on Oct. 5, 2020, in Roswell, Ga. Zachman’s book for young readers, “There’s No Ham in Hamburgers,” offers kids ages 8 to 12 a fun-filled journey through the history of some of their favorite foods. (Cloud8photo.com via AP)

This photo shows the cover of “There’s No Ham in Hamburger” by Kim Zachman and published by Running Press Kids. The book, out April 6, details the origins of peanut butter, chocolate, chicken nuggets and other popular kid fare with a nod to the science and folklore behind them. (Running Press Kids via AP)

NEW YORK — Legend: Genghis Khan came up with an early concept for hamburgers that involved tenderizing meat scraps under the saddles of horses as his Golden Horde ransacked its way to China back in the 13th century.