Wash the potatoes and cook in boiling salted water for about 20 minutes. Then drain and allow to cool slightly. Peel and finely dice the shallots. Wash parsley, dab dry and chop coarsely.
Peel the skin off the potatoes and cut the potatoes into slices. Heat the butter and fry the diced shallots until translucent. Add the potatoes and toss in the butter. Add parsley, season everything with salt and arrange in a bowl.