Make the meatballs by mixing all ingredients together in large bowl until well combined. Roll into walnut-sized balls and refrigerate until ready to use.
Heat oil in a sauté pan over a medium heat and add the onion and garlic. Once softened, add spices followed by the tomatoes. Rinse the can out with water and add to the sauce. Season with salt and pepper. Place the lid on and cook for 10 minutes until thick and rich.
Add the meatballs to the sauce and coat. Place lid on and cook on a low heat for 25-30 minutes.
Heat a large pan over a medium heat. Place a tortilla in the pan and lay a few slices of mozzarella on top. Once it melts, remove and scatter over rocket. Top with meatballs and sauce and parmesan.