Massaging the meat with the butter, then chopping onions, carrots, potatoes, the stalk of celery and put all in an oval pot. Drizzle with extra virgin olive oil and cook to brown the meat.
Add an half glass of white wine, then half a liter of water, salt and pepper to taste and cooking for two hours and half.
Turn off the heat, slicing the meat and put the slices in the pot because they take flavor.
Cook the tagliatelle in plenty of salted boiling water, drain the pasta and toss it with the meat sauce.
Serve adding parmesan and pepper to taste, and enjoy!