The Cocoa Castella Cake is a soft, moist, and airy dessert with a rich cocoa flavor. This Japanese-inspired delicacy features a light sponge texture achieved through a meticulous blending of whipped egg whites and a silky cocoa-infused batter. Perfect for tea time or as a light treat, this cake melts in your mouth with its delicate sweetness and fluffy crumb. Its simplicity and elegance make it a timeless favorite for any occasion.