Cookies with Wild Strawberry Preserve
Preheat the oven to 170C. Combine Four, butter, sour cream, vanilla sugar and form the dough. Roll it out, form cookies and fill them with Wild Strawberry Preserve. Line your baking tray with parchment paper and put the cookies on the tray. Grease them with egg yolk on the top, and sprinkle them with brown sugar for the extra texture and flavor. Bake at 170C for approx. 20min.
Wild Strawberry Preseve You will find on: http://www.spizarnia.net.pl/sklep/domowe-konfitury/konfitura-z-poziomek/