Beat the eggs with sugar until it becomes thick.

Add flour, potato starch and baking powder.

Stir mixture until its mixed evenly.

Remove everything to baking form.

Bake in 225 C for 7-8min.

Remove dough from form on a baking sheet where u sprinkle a little sugar. And leave it to cool.

After dough is cold spread the jam on the whole surface.

Roll the dough lengthwise. Cut into pieces.