1. Preheat the oven to 220°.
2. Place the potatoes in a saucepan and cover with cold water. Bring to a boil, then immediately drain.
3. Leave the potatoes to cool slightly in the saucepan.
4. Carefully toss the potatoes with olive oil, salt and pepper.
5. Distribute them in one layer on a baking tray lined with baking parchment.
6. Bake for about 20 minutes until golden and crispy.
7. Serve with a good mayonnaise.