Preheat oven to 220°C.
Boil, peel and mash potatoes.
Add barley flour, salt and an egg and combine to make a soft and sticky dough.
Apply some oil in your palms to easily handle the dough.
Divide the dough into four equal portions.
On a greased baking tray, pat the dough into thin discs.
With the help of a fork prick on the surface of the disc.
Bake in preheated oven for 30 minutes or until golden.
Serve it hot out of oven.