In a woc pan, heat the oil, cut the meat into cubes or on the robot and fry until golden, then add the finely chopped vegetables, put a cup of water and simmer until all the water evaporates. Then add the tomato juice and season to taste. Leave on low heat until the sauce thickens. The pasta is boiled according to the instructions on the package. Serve hot with the meat and tomato sauce. add a little grated Parmesan cheese.