Nûnû: In a baking tray, you add all the ingredients, stir all together and bake for 20 mins. Take it out of the oven, stir and bake for another 20 mins. Then remove from the oven, strain the potatoes, transfer to another clean baking tray, drizzle a little of the stock like 1 or 2 tablespoon and olive and bake for 25mins