Beat eggs with sugar. Add the sour cream. In a separate bowl, mix soda and lemon juice and add to the eggs. Add the flour and give everything a good stir. Half bananas cut into small cubes approx 1,5x1,5cm. the Other half mashed with a fork. The bananas add to the batter and again mix it all together. Form grease with oil and pour the batter. Bake in the oven for 30-40 mins at Approximately 180*C. the Willingness of cake check the match. Enjoy your tea!