Layer cakes are comprised of two or more cake layers stacked together with filling. Fillings range from buttercream, ganache, jams, and more. Layer cakes come in all shapes and sizes. They are perfect for celebrations of all sorts, big and small. This classic chocolate cake is perfect for first time cake bakers. It is frosted with a simple chocolate American buttercream and decorated with rainbow sprinkles. Advanced bakers should try their hand at this super popular Boba Milk Tea Cake. It features sweet black tea infused cake layers, milk tea buttercream, and warm brown sugar tapioca pearls.