Method

1. 1Step : Finely chop the onion and parsley separately.
2. 2Step : Mix the ground beef with half of the parmesan, 1 bag of shredded mozzarella, the egg, oregano, chopped onion, 2/3 of the parsley, salt, and pepper. Shape into small egg-sized meatballs.
3. 3Step : Oil the meatballs, then arrange them in a baking dish.
4. 4Step : Bake for 20 minutes at 180°C (gas mark 6).
5. 5Step : Meanwhile, season the tomato sauce with chili, salt, and pepper.
6. 6Step : Cover the meatballs with the sauce, then top with the remaining shredded cheeses (parmesan and mozzarella).
7. 7Step : Return to the oven under the broiler until the cheeses have melted.
8. 8Step : Sprinkle with the remaining parsley right out of the oven.