Preheat the oven to 180℃.
Heat the olive oil in large heavy-based pan, and fry the onion over medium heat until it starts to soften. Then add the grated carrot and continue to fry for 3 - 4 minutes until soft.
1 tablespoon olive oil, 1 brown onion, 1 carrot
Increase the heat to medium-high, then add the garlic and fry for 30 seconds.
3 garlic cloves
Add the beef mince and bacon and fry until well browned and most of the moisture has cooked off, about 6 - 8 minutes.
450 g beef mince, 100 g bacon
Once the meat is browned, add tomato paste and fry for an additional 30 seconds.
2 tablespoon tomato paste
Add red wine and bring to a simmer. Then simmer for 3 - 4 minutes, or until reduced by about half.
250 ml dry red wine
Add passata, water, beef stock cubes, dried oregano, salt and pepper, then bring to a simmer.
800 g passata, 125 ml water, 2 beef stock cubes, ½ teaspoon dried oregano, ½ teaspoon salt, ½ teaspoon fresh black pepper
Simmer over low heat (covered, with the lid slightly ajar) for 15 minutes, stirring occasionally.
Meanwhile, cook pasta according to the package directions (minus 1 minute).
500 g pasta curls
Drain the pasta (reserve about 1 cup of the pasta water) and then add the pasta to a 25cm x 35cm x 6cm baking dish.
Add the meat sauce, ricotta, and 100g of mozzarella to the pasta, then stir to combine (add some of the reserved pasta water if it seems a little dry).
150 g ricotta, 150 g grated mozzarella (divided)
Sprinkle the top with the remaining 50g of mozzarella, cover with foil and bake for 20 minutes.
150 g grated mozzarella (divided)
Remove the foil and bake for a further 10 minutes until the cheese is golden, and serve.