No one really knows who invented the s'more. The first time the recipe for s’mores appeared in print was in 1927 in a guidebook published the Girl Scouts of America called u003ca href=u0022https://historydaily.org/the-history-of-smoresu0022 target=u0022_blanku0022 rel=u0022noreferrer noopeneru0022u003eTramping and Trailing with the Girl Scouts.u003c/au003e