Peel and cut potatoes into even sized chunks. Place in a pot of boiling water and cook for about 8 to 10 minutes.
Drain the potatoes and return to the pot. sprinkle with the flour, turmeric, oregano, salt and pepper. Put a lid on the pot and shake vigorously so that potatoes are covered in the flour mixture and are "roughed up."
Place the oil in a preheated baking tray in the oven until almost smoking.
Put the potatoes in the tray and and coat in the oil. Cook for about 40 minutes.