Grate your carrots. Make them return in 2-3 tablespoons of olive oil. They must be tender. That can take some time, think of moving from time to time and cover. When they obtained the deliberate result, add the whole tomatoes which you will beforehand have cut boorishly in pieces. Add then the concentrated of tomato.
In a frying pan, quickly get back the minced beef without fat, then, add to the preparation. Add the parsley and salt, pepper. Move the whole and cover. Make simmer until tomatoes liquefy.
Cook your pastas (tagliatelli is the best!).
When pastas are cooked, serve the whole. Sprinkle with a little parsley and Parmesan cheese and adjust the seasoning. Here we are, you can taste!