Enjoy Lina's ricotta-filled ravioli called 'cargiú' from Marche!| Pasta Grannies

These ricotta ravioli are filled with ricotta and parmesan, and served with a mixed meat, tomato sauce. They are called cargiú around the town of Cingoli, and Lina's grandchildren love them! for the pasta: 400g 00 flour, 4 eggs, a teaspoon of oil (optional), pinch of salt for the filling: 400g ricotta, 100g parmigiano cheese, 2 eggs, salt, nutmeg black pepper for the ragu: one onion, one carrot, one celery stick diced together, 250g minced steak, 200g diced rabbit (or chicken, or pork), 2 tins plum tomatoes, 75ml white wine, salt, basil leaves