For the rosemary crumble, peel and chop the onions. Peel and chop the garlic. Wash the rosemary, put 2 sprigs aside. From the rest, pluck the needles and chop. Heat 3 tablespoons of butter. Fry onions, garlic and chopped rosemary.
Season vigorously with salt and pepper. Let cool in a bowl for about 5 minutes. Quickly work into crumbles with flour.
Wash the asparagus, cut off the woody ends generously. Roast pine nuts in a pan without fat, remove.
Dab meat dry. Heat the oil in a frying pan and fry the lamb salmon well all around. Season with salt and pepper. Remove and place on a baking tray lined with baking paper, set the pan aside.
Spread the crumble on the lamb salmon, press down a little. Place the rosemary sprigs on the tray. Bake in the preheated oven (electric cooker: 200 °C/circulating air: 175 °C/gas: see manufacturer) for about 15 minutes.
Cook the asparagus in boiling salted water covered with 1 teaspoon sugar for about 8 minutes. Melt 2 tbsp. butter in a frying pan. Remove meat from the oven and let it rest for about 2 minutes. Serve with drained asparagus.
Add butter and pine nuts. Potato gratin with dried tomatoes is also delicious.
Drink tip: light red wine, for example a young Bardolino