Sauté the aromatics. Cook onion in olive oil until softened, about 3-4 minutes. Add garlic and cook 30 seconds more.
Build the base. Stir in tomato paste and cook 1 minute until darkened. Add sun-dried tomatoes, Italian seasoning, and red pepper flakes.
Add the broth. Pour in vegetable broth and crushed tomatoes. Simmer 10 minutes.
Add the cream. Reduce heat to low and stir in cream, warming gently without boiling.
Cook the ravioli. Bring to a gentle simmer and add ravioli. Cook 3-5 minutes, stirring gently.
Finish and serve. Stir in spinach, let wilt 1 minute, season to taste, and serve topped with parmesan and herbs.