Wash the watercress, shake dry, pluck leaves from the stalks and chop, except for something to garnish. Peel and finely chop the onion. Heat 1 tablespoon of oil and
Peel, wash and roughly grate the potatoes. Squeeze the potatoes. Stir in onion, 1 egg, watercress and starch. Season with salt and pepper
Heat 4 tablespoons of oil in a frying pan and fry the potato dough in portions to make potato fritters
In the meantime, bring approx. 3 litres of water to the boil in a pot. Season with vinegar. Beat 4 eggs one after the other in the boiling, no longer boiling vinegar water. Cook for about 4 minutes. Arrange potato fritter and eggs, sprinkle with pepper and garnish with cress