Prepare the dough! Melt the butter cools add the sugar, sour cream, salt, baking powder or soda, whisk egg until smooth

Add the flour knead the dough put in the fridge until you prepare the stuffing

Make filling! Whisk the curd with sugar, vanilla, flour, and egg whites like I said the yolk will go to grease. if the filling is too dry you can add 1 tablespoon of sour cream

Roll the dough 3-4 mm thick and cut circles of 10-12 cm On one half of the circle spread 1 tablespoon of the filling, the other half closed, edge to samitivate is not necessary, and spread on a greased baking sheet. Lubricates the juicy egg yolk and put into the oven preheated to 200C for 20-25 minutes

Juicy is ready Bon appetite!