Preheat oven to 350 °F (180 °C).

Knead the flour, room temperature butter, confectioner’s sugar, ground hazelnuts, cinnamon, and milk to dough and let rest for half an hour.

Roll out the dough and split into two halves.

Cut circles out of one half, and rings of the same size out of the other half.

Place on a baking sheet lined with parchment paper and bake for about 10 minutes.

Let cool, brush the circles with apricot marmalade, and place the rings on top.

Dust with confectioner’s sugar.