Clean and wash the meat. Cut it into small pieces, add salt them and sprinkle with pepper. In the oil fry salo, and in 2/3 of the butter fry the onions, crushed garlic, chopped celery and parsley. Add the meat and fry it good. Pour the wine and add the chopped mushrooms. Finally, add the peeled and grated tomatoes, sandwiching court and stew until tender meat. Before to serve, add the melted butter. Serve warm.