Heat 3/4 l oil in a pot to approx. 175 °C (if you hold a wooden stick in it, bubbles will rise). Peel 1 potato, wash and slice into wafer-thin slices. Place them side by side on a tea towel.
If necessary, pluck the stalks from the sage leaves. Wash the leaves, dab dry and place 1 leaf on each half of the potato slices. Cover with 1 potato slice each, dab dry, pressing firmly together.
Fry in hot oil, possibly in 2 portions until golden brown, turning. Lift out and let it drip off on kitchen paper.
Wash and clean the beans, cut them into small pieces. Cover and cook in little boiling salted water for 8-10 minutes. Drain and quench. Peel 500 g potatoes, wash and cook covered in salted water for about 20 minutes.
Preheat oven (electric cooker: 150 °C/circulating air: 125 °C/gas: see manufacturer). Roast sesame seeds in a pan without fat, remove. Dab steaks dry and wrap each with 1 bacon slice. Heat 1 tbsp. oil in a frying pan.
Fry the steaks in it at high heat for 1-2 minutes on each side, fry the bacon on all sides as well. Season with salt and pepper. Remove and place on a baking tray lined with baking paper.
Roast in a hot oven for 12-15 minutes.
Deglaze the roast in the pan with brandy and stock, stir in syrup, bring to the boil and simmer for approx. 5 minutes. Knead flour and 1⁄2 tablespoon butter. Stir in flour butter and continue to simmer for approx. 5 minutes.
Season to taste with salt and pepper.
Peel and finely chop the onion. Heat 1 tbsp. butter, sauté onion in it. Add drained beans and sesame seeds and warm up. Drain the potatoes. Add lukewarm milk and 1 tablespoon butter, mash everything finely.
Season with nutmeg. Wash and chop the parsley. Arrange everything and sprinkle with parsley.