Blueberry Upside-down Cake Tweet Pin It A Blueberry Upside-down Cake for when you have an abundance of blueberries. A thick layer of blueberries, fresh or frozen work equally well, shine against a lovely vanilla cinnamon cake. Other Cake Recipes You Might Like Blueberry Buckle CakeUpside-down Plum CakeLemon Blueberry Cake Continue Reading 0