Filter cake is a type of cake that is made using a special process to separate liquids from solids. This method is often used in industries like food processing and chemical manufacturing. The cake itself is usually a thick, solid mass that remains after the liquid has been filtered out, making it a key component in various applications. In the culinary world, filter cake can refer to a dessert that is light and airy, often made with layers of sponge cake and cream. It is popular for celebrations and can be decorated with fruits or chocolate. This delightful treat is enjoyed by many and showcases the versatility of cake in different contexts.