First melt the butter and add Sugar, Cinnamon, Mix spices and the 2 eggs together. Add the flour in small quantities while mixing the batter. Do not beat, mix it with a big spoon. Mash the Bananas into small chunks and add it to the batter. Then spread it on to an 'oven-paper' layered baking tray. Before putting it to the oven, sprinkle some brown sugar on top of the cake. Bake it in a pre-heated (10min) oven in 200 Celsius for 30 minutes. Serve while warm with some Vanilla ice cream on side.