DENVER, CO - APRIL 11: Denver Post features editor Barbara Ellis' slow cooker Chicken in a Pot from a 1982 Rival Crock-Pot Cookbook at the Denver Post studios April 11, 2017 in Denver, Colorado. (Photo by Andy Cross/The Denver Post via Getty Images)
DENVER, CO - APRIL 11: Denver Post features editor Barbara Ellis' slow cooker Chicken in a Pot from a 1982 Rival Crock-Pot Cookbook at the Denver Post studios April 11, 2017 in Denver, Colorado. (Photo by Andy Cross/The Denver Post via Getty Images)