Heat olive oil in a large pot over medium heat until shimmering.
Add the diced onion and cook, stirring often, until softened and translucent, about 5 minutes.
Stir in the ground beef, breaking it apart, and cook until browned and no longer pink.
Mix in minced garlic, red pepper flakes, and oregano, cooking for 1 minute until fragrant.
Blend in tomato paste and cook for 2 minutes, stirring continuously to deepen the flavor.
Pour in the tomato basil pasta sauce, diced tomatoes with their juices, and chicken broth.
Season with 1 teaspoon kosher salt and bring the mixture to a gentle boil.
Add broken lasagna noodles to the pot and simmer, stirring occasionally, until noodles are tender, about 15 minutes.
Reduce the heat to low and stir in the heavy cream to make the soup creamy and rich.
Adjust seasoning with the remaining kosher salt to taste.
Serve the soup hot topped with shredded mozzarella, grated parmesan, dollops of ricotta, and a sprinkle of fresh chopped basil.