Preheat the oven to 390 degrees Fahrenheit (200 degrees Celsius). Put the oven dish already in the oven so it becomes very hot.
Heat a pan with water on the stove.
Brush the skin of the potato and rinse them carefully.
Cook the potatoes for 10 minutes.
Drain them carefully after cooking.
Put the potatoes in the hot oven dish. Therefore the skin will dry very quickly and they become crisper. Combine it with the garlic, shallots, thyme, and olive oil and mix well. Add enough salt to get the right taste.