Radishes, except 4 pieces, and clean and wash the cucumber. Cut the radishes into sticks and dice the cucumber finely. Peel and finely chop 1 onion and garlic. Wash the dill and parsley, dab dry and chop as well, except for something for garnishing.
Stir the quark, milk and olive oil until smooth. Stir the cucumber, radish, onion, garlic and herbs, except for 2 tablespoons, into the quark. Season with salt and pepper. For the potatoes peel, wash and grate.
Peel the remaining onion and chop finely. Stir the eggs and diced onion into the grated potatoes. Season with salt and pepper. Heat the oil in portions in a frying pan and add 1/4 of the potato mixture, press flat.
Fry the buffers on each side for 3-4 minutes. Place on a preheated plate. Fry 3 more buffers in succession. Spread the quark on the buffers and sprinkle with the remaining cut ingredients.
Garnish with herbs and radishes.