Dab meat dry and chop very finely. Press sausage meat out of the skin. Heat oil in a coated pan. Fry the meat and sausage meat for about 2 minutes. Add stock, bring to the boil, cover and braise for approx. 30 minutes.
Clean, wash and blanch the salad in boiling salted water for about 30 seconds. Drain, quench, chop. Mix with the meat mixture, let cool. Finely puree everything with a hand blender. Grate 20 g cheese.
Add 1 egg to the mixture. Season with salt, pepper and nutmeg. Cover and chill for about 45 minutes.
Knead 400 g flour, 4 eggs, 1 pinch of salt and 4-6 tablespoons of lukewarm water first with a hand mixer, then with your hands for about 15 minutes. Cover and let rest at room temperature for about 25 minutes.
Divide the dough into 6 portions and roll out to a thickness of about 1 mm each. Let the noodle plates rest for about 5 minutes dusted with flour. Cut into approx. 3 cm wide strips. Place 1 tsp. of filling on each half of the dough strips at a distance of approx. 3 cm.
Brush the edges with water. Fold over the free half of the dough. Press the gaps and edges with your fingers, then cut them apart with a dough wheel or knife. Dust the pasta with flour and leave to dry in a cool place for about 3 hours.
Cook the pasta in about 3 l boiling salted water for about 6 minutes. Drain. Heat butter and season with salt. Swivel the noodles in it. Serve and slice the rest of the Parmesan cheese on top.
Drink tip: dry white wine, e.g. Roero Arneis.