This cake is called sponge cake. This cake making process is very easy. Only with a mixture of ingredients such as wheat flour, eggs, sugar, food, milk, and food coloring developers, then stirring until it becomes a mixture. After that the cake is put into a steamer or open. Wait a few minutes for the sponge cake is ready to be served. The cake in this photo is a cake made by my wife, and the picture is taken using the Oppo A37f cellphone camera.