Insert the 1 cup sugar in a pan, together with some water, to give a caramel. Spreading it in a pan until hot (you may cover the tray with baking paper for easy detachment then). Allow to cool. Cut the butter into slices and cover the pan. Apples also cut into slices and arrange like a fan on the butter. Dough: In a bowl bruised Beat eggs with 1 cup sugar until the mixture turns white. Put it gradually flour and vanilla. The resulting mixture pour tray and bake at 200 degrees until browned. When the cake is ready remove it from the oven and immediately turn on the tray.