Butter crumble and mix with flour, baking powder, salt, sugar. Add the cottage cheese. The original recipe do not add the egg, I added the yolk (see photo no egg), and the protein left to fill. Knead the dough. Put into the refrigerator, covered with a towel.

Wash apples, peel and cut into small pieces. One Apple cut into 8 pieces and leave it for decoration.

The dough, remove from refrigerator. Distribute the form, making bumpers. Arrange the apples, in a large, place in a preheated 180 degree oven for 10 minutes. To prepare the dressing. To do this, mix eggs, sugar, vanilla sugar and sour cream, add the starch and stir until smooth. The form with the dough to get it out of the oven, increase the temperature to 200 degrees. Pour the filling into the pie, lay slices of apples and berries (I had blueberries). put the pie in the oven for 25-30 minutes. The finished cake cool completely in the form. It was very tasty!!! Bon appetit!!!