Peel onion and cut into rings. Bring 1 l water, 3 tbsp salt, spices, chillies and onion to the boil. Boil the eggs in the broth for about 10 minutes
Lightly beat the shells of the eggs, but do not remove them. Put eggs in a tall glass covered with stock and let them rest in the fridge for 2-3 days
Mix salad cream, sour cream and vinegar. Mix half of the cream with horseradish, half with mustard. Mix ketchup and chili sauce. Sprinkle horseradish cream with cress, mustard cream with pepper. Pass the dips to the eggs