Pão de ló is a traditional Portuguese sponge cake known for its light and airy texture. Made primarily from eggs, sugar, and flour, it is often enjoyed plain or with various fillings, such as fruit or cream. The cake is typically baked in a round or rectangular shape and is popular for celebrations and special occasions. This cake has variations across different cultures, including Spanish and Italian versions. In Spain, it is known as bizcocho, while in Italy, it is referred to as pan di spagna. Each version shares the same basic ingredients but may differ in preparation and flavor.