Peel and wash the potatoes and cook them in salted water for about 20 minutes. In the meantime clean and wash the cabbage and cut it into strips from the stalk. Clean, wash and cut spring onions into rings.
Cook cabbage in boiling salted water for about 3 minutes. Drain and let drain well. Drain potatoes. Mash them coarsely with crème fraîche. Season with salt and nutmeg.
Heat 1 tablespoon of oil in a large frying pan (approx. 26 cm Ø). Sauté spring onions for about 2 minutes. Season with salt and pepper. Add the cabbage to the mashed potatoes and mix well.
Heat 2 tablespoons of oil in a frying pan. Press the potato mixture in it to a flat cake. Brown over medium heat for about 5 minutes. Stir everything briefly, press into shape again and brown for another 5-10 minutes. Slide the flat cakes out of the pan onto a flat lid to turn them over. Spread 2 tbsp. oil in the pan and fry the pancake on the other side for 5-10 minutes.