Mix all ingredients for the dough into a bowl and knead thoroughly. Add raisins/currants while kneading.

Let the dough rise for 25-30 minutes covered in a warm place.

Wet the table top so that the baking paper sticks.

Wet the baking sheet as well and spread it with Polenta.

Roll the dough as rectangular as possible.

Spread the butter on top evenly.

Cut the dough into even squares (about 9 pieces).

Place the squares on a baking sheet baking paper and flatten them with oil on the hands.

Sprinkle rolls with cinnamon and sugar.

Then place the baking sheet for about 30 minutes in a warm spot.

Preheat the oven at 200° C.

Insert the baking sheet in a center position and also add a cup of water (underneath the sheet).

Bake for about 20 minutes.