1) Preheat the oven to 200deg;C.
2) Cut the potatoes in half or quarters and place in a bowl with the olive oil, salt, pepper, and garlic; toss until the potatoes are well coated.
3) Transfer the potatoes to a baking tray and spread out into one layer. Roast in the oven for 45 minutes to an hour or until browned and crisp. Flip twice with a spatula during cooking in order to ensure even browning.
4) Remove the potatoes from the oven, toss with parsley, season to taste, and serve hot.