Clean and chop the potatoes coarsely. Put them in water with a little salt and boil until semi-cooked. Drain in a colander and place in a tray smeared with a little olive oil. Salt them and add black pepper.
Mash the garlic cloves with a knife but don't peel them.
Take the tray with the potatoes out and press them carefully with a slotted spoon, just to crack and flatten them.
Put the garlic randomly between the potatoes and distribute the dressing on top in order to season all of the potatoes.
Return the tray to the oven, lower the temperature a bit and bake another 15-20 min. to a golden color.
When serving, remove the garlic peels.