Wash the potatoes very well. It is also best to rub it off with a kitchen brush. Then put all the spices and the olive oil in a blender and mix. Now cut into the potatoes in a fan shape so that grooves appear. Now spread the spice oil on the potatoes with a brush, brushing as deeply as possible into the grooves. Finally, the potatoes are put in the oven at 160 ° C for 60 minutes.