Onions peel, 2 finely dice. Heat 1 tablespoon of oil and fry the diced onions for about 4 minutes until transparent. Remove from heat. Meanwhile, put the cucumbers in a sieve, drain and chop them into small pieces. Pet
Mix cucumber, parsley, half onion cubes and 1 tablespoon of mustard.
Clean, peel, wash and roughly dice the turnip. Peel, wash and halve potatoes. Cook both in boiling salted water for about 20 minutes. Clean, peel and cut carrots and parsley root into pieces.
After about 10 minutes add to the potatoes and cook. Heat milk and butter. Drain the potatoes. Add milk and mash everything to a chunky puree. Season to taste with salt and nutmeg.
In the meantime, knead the minced meat, remaining onion cubes, 1 tbsp. mustard, curd cheese and 6 tbsp. panko into a smooth dough. Season with salt and pepper. Shape into 8 meatballs. Heat 4 tablespoons of oil in a large pan and fry the meatballs for about 8 minutes, turning occasionally.
Cut the remaining onions into rings. Season with salt, turn in 4 tablespoons of Panko. Remove the meatballs and keep warm. Fry the onion rings in hot frying fat until they are glassy, turning them over so that the Panko flakes turn a golden brown colour.
Arrange puree, meatballs, onion rings and relish.