“A riddle for summer: if coffee is best served cold when it’s hot out, why boil and brew what needs to be iced? Cold-brewing, or Toddy brewing, is the answer. Todd “Toddy” Simpson claims to have tasted cold-brewed coffee while traveling in Peru in 1964, and to have brought the “ancient Peruvian process” back to the U.S. But the truth is far less mysterious.”