Beat eggs and sugar with a mixer until the mixture is doubled, then add the oil, put baking soda in lemonade boil and add to the mix as we continue to Berkeley. Put the flour and baking powder in Pour some flour to the mixture and stirring, and finally add vanilla. Bake cake in the shape that we previously smeared with sunflower oil and are dusted with a little flour. Heat the oven to 100C and put the cake rises in 160C. Bake 35 minutes. Sprinkle with plenty of icing sugar when ready.