Rainbow Cake is a vibrant dessert made by layering multiple colors of cake batter, typically in shades of red, orange, yellow, green, blue, and purple. Each layer is baked separately and then stacked with frosting in between to create a visually striking effect. The cake is often finished with a smooth layer of frosting on the outside, enhancing its colorful appearance. This cake is popular for celebrations such as birthdays and parties, appealing to both children and adults. It can be made with various flavors, including vanilla, chocolate, or even fruit, allowing for creative variations. Frosting and celebrations are essential components of this delightful treat.