11 George Washington Carver Experiments That Turned Plants Into Miracles

3. Peanut Butter—A Protein-Packed Spread

Although he didn’t invent peanut butter, Carver’s work raised the profile of peanuts as a protein-rich food. His research contributed to peanut butter’s popularity as a nutritious staple, especially during food shortages, detailed by History.com: (history.com)