Mix butter, sugar and vanilla sugar. Drive eggs, milk, flour, baking powder into the mass. Knead not a thick dough.
Cover the baking sheet with baking paper and pour our dough into it. On top we spread the peaches, previously cut into small slices. We put the cake to bake in a preheated oven for half an hour.
Mix the sour cream with sugar with a mixer until the air mass and grease the hot pie with it.