Chop the nuts and crumble the toast finely. Peel and chop onion. Chop bacon finely. Wash the rosemary and chop, except for something to garnish. Knead everything with butter.
Clean and wash the Brussels sprouts. Cook in boiling salted water for about 15 minutes
Wash the meat and dab dry. Fry in hot oil in an ovenproof pan for about 5 minutes. Season with salt and pepper. Spread the nut mixture over the meat, press it on
Bake in a hot oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for 10-12 minutes. Drain sprouts and season with nutmeg. Arrange everything and garnish. Serve with mashed potatoes or potato gratin