Pour the warm milk into a bowl.

Add the yeast and a teaspoon of sugar from the total.

Mix everything and let it rest for 10 minutes.

In a separate bowl, beat the softened butter with the remaining sugar, salt and vanilla sugar.

Beat with a mixer at medium speed for 3-4 minutes until you obtain a fluffy and homogeneous composition.

Then gradually add one room temperature egg at a time.

Blend well in a blender.

Then we gradually add the pre-sifted flour.

Knead the dough first with a spatula.

Then knead with your hands until it is soft and non-sticky.

Roll out the dough using a rolling pin into a rectangular area about 1 cm thick.

Dust the surface with icing sugar.

Cut the dough with a pizza slice into rectangles of the same size.

And place on a baking tray lined with parchment paper.

Cover the cookies with aluminum foil and let rest for 15 to 20 minutes.

Then place in the preheated oven at 180°C.

After baking, let them cool and serve.