Sift flour with baking powder and mix it with cinnamon. In deep bowl, beat the eggs for about 4 minutes and add sugar. Fight more until dissolved and gradually replenish the milk and the oil. Again under continuous beat gradually add flour with other ingredients. Greased baking pan (26-27 cm), sprinkle it with flour evenly and pour 1/3 of the mixture. The base bake in preheated oven for about 20 minutes at 180C degrees. Remove and similarly fired the remaining 2 the base. The cream is stirred gently with chocolate and mashed banana. Assembly is the usual order - base, syrup, cream. The decoration is of your choice.