In a large skillet, cook ground beef over medium heat for 4-5 minutes or until almost fully cooked.
Add in the bell pepper, onion and garlic and cook for about 5 minutes, stirring occassionally, until beef is fullly browned and the veggies are tender. Add in the shredded carrot, mushrooms, salt, pepper, garlic, Italian seasoning, oreagno and red pepper flakes. Stir and cook for 2 more minutes.
Add tomato sauce, broth, and broken lasagna noodles and stir well. Bring to a simmer over medium-high heat.
Reduce heat to medium and cook, covered, stirring occassionally for about 15 minutes or until lasagna noodles are almost al dente.
Dollop on the ricotta over top, then sprinkled with mozzarella and parmesan cheeses. Cover and let sit for 5 minutes over low heat or until cheese has melted. Garnish with fresh parsely or basil and serve.