1. Heat olive oil in a pan over medium heat.
2. Sauté onion and garlic until they become soft and fragrant.
3. Add crushed tomatoes and heavy cream to the pan.
4. Season the mixture with salt, pepper, basil, parsley, and a pinch of red pepper flakes.
5. Let the sauce simmer gently to blend the flavours.
6. Stir in grated parmesan and romano until the cheese is fully melted.
7. Once the sauce is smooth and creamy, it’s ready to serve over your favourite pasta.