For the sauce: Heat the oil in a pan, add chopped onion and crushed garlic and fry. Add all other products for the sauce and let simmer until thickened. For the filling: Mix chopped onion, crushed garlic, smashed tomatoes and other products. Using a spoon stuffing cannelloni is distributed in that line into a deep greased pan on one line. Pour the sauce, sprinkle with grated cheese or parmesan cheese and bake in a moderate (200 C) oven for about 1 hour.