Mix butter, sugar, vanilla sugar and 1 pinch of salt with the whisk of the hand mixer for 5-6 minutes until creamy. Stir in ##eggs## one at a time. Stir in flour. Cover and chill for about 30 minutes.
##Nuts## in a pan without fat roast, take out and roughly chop. Line two baking trays with baking paper. Preheat oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2).
Form about 50 balls from the dough and roll in the nuts. Spread them on the trays. Press a depression into the balls with your thumb. Stir jelly and jam separately until smooth and fill into the hollows.
Bake in the oven one after the other for about 20 minutes. Let them cool down.