Soak the rolls in cold water. Peel and finely chop the onions. Clean the chanterelles, wash them if necessary and cut them into smaller pieces depending on size. Clean, wash and halve the beans. Wash and chop parsley. Peel, wash and roughly dice the potatoes
Squeeze the buns well. Knead with minced meat, egg, mustard and 1/3 onions. Season with salt and pepper. Form 8 meatballs from the minced meat mixture
Cover the potatoes and cook them in salted water for about 15 minutes. Steam beans in little boiling salted water covered about 15 minutes
Heat 2 tablespoons of oil in a large frying pan. Fry the meatballs for 6-7 minutes on each side
Heat 1 tablespoon of oil in a saucepan. Fry the mushrooms. Add 1/3 of the onions and fry briefly. Dust with flour and sauté briefly. Stir in 300 ml water, cream and stock, bring to the boil. Simmer for about 5 minutes. Season mushroom cream with salt and pepper. Stir in half parsley
Heat the milk. Drain and mash the potatoes, stirring in the milk. Season to taste with a little salt and nutmeg
Drain the beans. Heat butter. Fry the diced ham and the remaining onions. Season with pepper. Swirl beans and rest of parsley in it. Arrange the meatballs with beans and chanterelles. Sprinkle mashed potatoes with frying fat and add to the meatballs.