Wash the meat, pat dry and cut into strips. Peel onion and garlic and dice finely. Wash, pluck and chop the rosemary
Heat butter in a frying pan. Fry the meat for 3-4 minutes while turning, seasoning. Take out. Sauté onion, garlic and rosemary in hot frying fat. Add the tomatoes and juice, chop coarsely and simmer covered for about 15 minutes.
Meanwhile cook the pasta in plenty of boiling salted water for about 10 minutes until al dente
Clean, wash and slice the mushrooms. Cut ham into fine strips. Add both to the sauce and simmer for about 10 minutes
Wash and chop the parsley. Chop the cheese into shavings. Drain the pasta and mix immediately with the sauce. Sprinkle with parsley and cheese