Stir the curd, sour cream and milk until smooth. Season to taste with salt and pepper. Clean and wash spring onions and radishes. Peel the onion. Cut whole onions into fine rings and radishes into slices. Fold in the quark dip except for a little bit. Sprinkle with the rest of the radishes and onions
Wash the chives and cut into small rolls. Peel, wash and roughly grate the potatoes. Mix both with egg and flour. Season with salt and pepper
Heat the oil in portions in a large frying pan. Fry 8-10 Rösti from the potato mixture in it one after the other until golden brown, keep warm. Serve with quark dip and ham
The lightning-fast alternative: mix the finished Rösti dough (refrigerator shelf) and chives