who discovered peanut butter

No single person “discovered” peanut butter; it evolved over time from simple ground-peanut pastes to the modern spread people know today.

Quick Scoop

• Ancient Inca and Aztec peoples were grinding roasted peanuts into a paste centuries ago, so the earliest peanut “butter-like” food comes from them.

• In 1884, Canadian chemist Marcellus (often listed as Marcellus/Marcus) Gilmore Edson patented a peanut paste made by milling roasted peanuts between heated surfaces, a clear step toward modern peanut butter.

• In 1895, Dr. John Harvey Kellogg (better known for cereal) patented a process for making a boiled-peanut paste as a soft, high‑protein food for patients who had trouble chewing, which many historians treat as the first “modern” peanut butter patent.

• Around the same era, a St. Louis doctor and food entrepreneur George A. Bayle developed and sold a spreadable peanut product that more closely resembled the commercial peanut butter found on shelves today.

• George Washington Carver did not invent peanut butter; instead, he promoted peanuts and created hundreds of peanut-based products, helping make peanuts a major American crop.

Mini timeline of peanut butter

1. Ancient era: Inca and other South American cultures grind peanuts into a soft paste for food.

2. 1884: Marcellus Gilmore Edson patents a process for warm-milled roasted peanut paste in Canada.

3. 1890s: A St. Louis physician uses thick peanut paste as a protein source for patients with poor teeth.

4. 1895: Kellogg patents his version of peanut paste for sanitarium patients in the U.S.

5. Early 1900s: Peanut butter appears at the 1904 St. Louis World’s Fair and spreads in popularity as a packaged product.

Who gets “credit” today?

Because peanut paste existed long before any modern patent, historians usually say:

• Ancient Inca/Aztec cultures “invented” the earliest peanut pastes.

• Marcellus Gilmore Edson and John Harvey Kellogg helped create and formalize modern peanut butter through patents and production methods.

So if someone asks “Who discovered peanut butter?” the most accurate answer is that it was not a single discovery, but a long evolution—from ancient ground- peanut pastes to the patented spreads of Edson, Kellogg, and other late‑19th‑century innovators.

Information gathered from public forums or data available on the internet and portrayed here.