01 - Heat olive oil in a large pot over medium heat. Add diced onion, carrot, and zucchini if using. Sauté for 4 to 5 minutes until vegetables are softened and translucent.
02 - Add minced garlic to the pot and cook for 1 minute, stirring constantly until fragrant.
03 - Add ground beef or Italian sausage to the pot. Season with salt and black pepper. Cook for 5 to 7 minutes, breaking the meat apart with a wooden spoon, until fully browned. Drain excess fat if necessary.
04 - Stir in tomato paste, crushed tomatoes, and diced tomatoes. Add dried basil, oregano, thyme, and red pepper flakes if using. Pour in the broth and mix thoroughly to combine all ingredients.
05 - Bring the soup to a gentle boil, then reduce heat to medium-low. Simmer uncovered for 10 minutes to allow the flavors to meld together.
06 - Add broken lasagna noodle pieces to the pot. Simmer for 12 to 15 minutes, stirring occasionally to prevent sticking, until the pasta is tender.
07 - Stir in half of the shredded mozzarella and half of the parmesan cheese until melted and incorporated. Taste and adjust seasoning with salt and pepper as needed.
08 - Ladle the hot soup into serving bowls. Top each portion with generous dollops of ricotta cheese, a sprinkle of remaining mozzarella and parmesan, and fresh chopped basil or parsley. Serve immediately.