1Heat the olive oil in a large pot over medium heat.
Add the diced onion and cook until translucent, about 5 minutes.
Add the minced garlic and cook for another 1-2 minutes until fragrant.
Stir in the diced zucchini and bell pepper, cooking for another 5 minutes until they begin to soften.
Pour in the vegetable broth, diced tomatoes (with their juice), and tomato sauce.
Add the dried basil, dried oregano, and red pepper flakes. Stir to combine.
Bring the mixture to a boil, then reduce the heat and let it simmer for 10 minutes.
Add the broken lasagna noodles to the pot and cook until they are al dente, about 10-12 minutes.
In a small bowl, mix together the ricotta cheese, grated Parmesan cheese, and shredded mozzarella cheese.
Season the soup with salt and pepper to taste.
Serve the soup hot, with a dollop of the cheese mixture on top of each bowl.
Enjoy your Vegetarian Lasagna Soup!