Definitely not based on a true story, no, but the way Charmaine Wilkerson builds her world makes it feel like it could be. The novel spans decades and continents, following two siblings uncovering their mother's hidden past after her death, which involves a long-lost child, a mysterious black cake recipe, and a secret identity. It's entirely fictional, but it's steeped in such authentic historical and cultural texture—post-colonial Caribbean life, migration to the UK, the complexities of identity—that it resonates with a lot of real experiences.
I think that's where the confusion might come from. The emotional truths about family secrets, inheritance (both literal and emotional), and how the past shapes us are so powerfully rendered. You finish it feeling like you've read someone's actual family saga. It doesn't hinge on being 'based on a true story' to have impact; its power is in how it fictionalizes universal truths about diaspora, memory, and reconciliation. The black cake itself, as a recurring symbol, ties everything together in a way that feels deeply personal and real, even if the specific Bennett family isn't.