Clean and wash spring onions and radishes and cut into fine slices. Peel shallots, also cut into fine slices. Stir curd and milk until smooth. Season with salt, pepper and lemon juice. Stir in the prepared vegetables and leave to stand. For the cookies, peel and wash the potatoes and grate them roughly.
Wash and chop the chives. Mix potatoes, chives, egg and flour. Season with salt and pepper. Heat oil in portions in a large pan. Turn the potato mixture and fry small cookies until crispy brown. Serve with quark and ham