Brown the ground beef in olive oil, drain excess fat, and transfer it to a 6-quart slow cooker.
Soften the onion, garlic, and tomato paste in the skillet, then add them to the slow cooker.
Add the sauces, broth, seasonings, and Worcestershire sauce, then cover and cook on LOW for 7 to 8 hours or HIGH for 3 1/2 to 4 hours.
Add broken lasagna noodles during the final 30 to 40 minutes on LOW or 20 to 25 minutes on HIGH.
Mix the ricotta, mozzarella, and Parmesan together.
Serve the hot soup with the cheese mixture and parsley on top.