Divide the eggs into proteins and yolks. Beat whites with half sugar until soft peaks.
Beat the yolks with the rest of the sugar and vanilla until white.
Mix the whites with the yolks. Add the flour a little while mixing easily.
Peel the apples from the skin, cut into slices, remove the middle. Put in a greased form 3/4 of the dough, apples on it.
Cover the apples with the rest of the dough and put in the oven for 30 minutes at 190 degrees.
Ready charlotte can be sprinkled with powdered sugar.