Wash the potatoes. Cook in water for 15-20 minutes. Quench, peel and let cool. Clean, wash and chop the beans. Crumble bread finely
Wash the salmon and pat dry with kitchen paper. If necessary, line a gratin dish with parchment paper, spread with butter or just grease the dish. Sprinkle salmon with lemon juice. Season with salt and pepper. Place in the form. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/gas: level 3) for about 20 minutes. After about 10 minutes, spread bread crumbs and 1 tbsp. butter in flakes on the salmon
Peel and finely chop the onion. Fry in 1 tbsp. hot butter. Add the beans, sauté briefly. Season with salt. Add 1/4 l water, bring to the boil. Wash and add the savory. Cover and cook over low heat for about 15 minutes.
In the meantime heat oil in a pan. Fry the potatoes in it until golden brown all around and season with salt
Wash the herbs, shake well dry and pluck from the stems. Puree the herbs, horseradish, milk and salad cream together
Arrange salmon, beans and roast potatoes. Add some herb sauce. Remaining herb sauce extra is enough. Garnish with dill and lemon if desired.