Cook the potatoes (should be cooked but still firm) and let them cool.

Mash the potatoes with a fork and add the cheese cut into small pieces and thyme.

Season with salt and pepper.

Pour the flour in a bowl, form balls with the potato mixture and roll them in flour.

Flatten slightly to obtain patties.

Heat a little oil in a frying pan and when hot add the potato pancakes.

Fry for about ten minutes, at until they are golden brown, turning on both sides. If during the cooking some of the cheese melts out, just scoop it back on top.

Serve hot, sprinkling them with salt.