This delightful upside-down cake showcases the simple beauty of ripe blackberries (or olallieberries) baked into a golden, airy sponge cake. The berries caramelize in buttery sugar as the cake bakes, creating a glossy, jewel-toned topping that bursts with flavor. Light yet indulgent, this cake is perfect for summer gatherings, afternoon tea, or as a showstopping...Read More