Wash the potatoes and cook in boiling water for about 20 minutes. Drain sauerkraut and pineapple separately, catching the pineapple juice. Dice the smoked pork. Peel and chop onion.
Heat the oil in a casserole dish. Sauté the cured pork in it while turning. Cut pineapple rings into large pieces and add. Add the sauerkraut and deglaze with pineapple juice. Braise for about 15 minutes. In the meantime, mix eggs and cream, season with salt, pepper and nutmeg.
Drain the potatoes, rinse and peel them. Fill potatoes and sauerkraut into 2 small or 1 large greased casserole dish. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for about 40 minutes.
Wash parsley, shake dry and cut into fine strips, except for a little to garnish. Sprinkle with parsley and pepper.