Sponge cake is a type of cake made with eggs, sugar, and flour. It is usually light and airy, and can be served plain or with a variety of toppings. Two popular variations of sponge cake are MADEIRA and BABA. MADEIRA is a Portuguese-style sponge cake that is often served with a sweet syrup or liqueur. BABA is a Polish-style sponge cake that is usually soaked in rum or other spirits. Both cakes are popular desserts around the world.