The peanut butter and jelly sandwich celebrates 125 years of enduring simplicity and affordability. Industrial innovations and wartime needs cemented its status as an American staple food. Peanut allergies prompted creative ingredient substitutions, expanding its appeal beyond traditional recipes. Regional variations and restaurant interpretations showcase its diverse culinary adaptability across America. In India, peanut butter's growth is driven by protein needs, not childhood memories.

If there's a single sandwich associated with childhood and school lunches in the U.S, it has to be the PB&J.

The peanut butter and jelly sandwich celebrates 125 years of enduring simplicity and affordability. Industrial innovations and wartime needs cemented its status as an American…