Cut the butter into cubes, put in a bowl and mix to obtain a soft butter.
Mix butter and sugar until you get a frothy mixture.
Add the flour and the other ingredients, knead the dough and let the dough covered with cling film rest in the fridge for one hour.
Preheat the oven to 200 ° C.
Roll out the dough to 2mm thick.
Make round shapes and place them on baking sheet with parchment paper.
Decorate half of the cookies by cutting out small shapes (1 to 3).
Bake in the middle of a preheated oven for 8 to 10 minutes till golden brown.
Remove from the oven, let cool.
Sprinkle the cookies with the small holes with powedered sugar.
Heat the jam a little bit, spread a layer over each solid cookie then cover with a cookie with small holes.