This rainbow buttercream cake features a smooth white finish topped with colorful piped frosting in bright, cheerful layers.

This rainbow drip cake features smooth yellow frosting, glossy purple drips, and a vibrant rainbow topper that instantly ...

Kat Thompson is the audience editor of Eater’s Southern California/Southwest region. There is no cake that feels more like a birthday cake than a sprinkle cake. The kaleidoscope of rainbows when you ...