This is said to be the origins of sweet potato casserole. Printed in 1796, it was written by Amelia Simmons who dubbed herself an American Orphan. This is touted as the first American cookbook.
Before they were decimated by the Europeans, the indigenous Carib, Arawak, and Ciboney mixed with the newcomers and the Africans as well, giving rise to a mixed Creole population.