Peel and wash the potatoes. Cook in boiling salted water for about 20 minutes. Drain the potatoes, let them evaporate and press them through a potato press while still hot. Wash parsley, pluck leaves from the stems and chop finely.
Stir the diced ham and parsley into the potato mixture. Season with salt and pepper. Form a roll (5-6 cm Ø) from the mixture and cut into 16 thalers. Heat the oil in portions in a frying pan and fry the thalers in portions until golden brown, turning them over.