Claim: Smart-Grosvenor released cookbooks about Vibration Cooking which is a method of cooking that raises awareness about the Gullah culture, which are African Americans who created the creole language.
Evidence: Vibration Cooking: Or, the Travel Notes of a Geechee Girl is the 1970 debut book by Vertamae Smart-Grosvenor and combines recipes with storytelling. Vibration Cooking raised awareness about Gullah culture. The Gullah (/ˈɡʌlə/) are African Americans who live in the Lowcountry region of the U.S. states of Georgia, Florida, and South Carolina, in both the coastal plain and the Sea Islands. They developed a creole language, also called Gullah, and a culture with some African influence.