Peel potato and cook in salted water until soft
Mash (or rice) potato, then add salted butter and stir through
Mix through flour and white pepper using your hands, and form into a ball of dough
Roll out ball of dough on a floured surface and cut into desired shape, approx. ¾mm thick
Fry in a knob of butter (ideally wipe off the excess with kitchen paper before cooking) – ⅘mins on each side until golden brown
