1- Gather all ingredients and bring a large pot of water to a boil. Cook the pasta until tender, about 7-10 minutes. Drain and set aside.

2- While pasta cooks, dice the onion and mince the garlic.

3- In a large skillet, heat olive oil over medium heat. Add diced onion and garlic and sauté for 3-5 minutes until onions are soft and translucent.

4- Add diced tomatoes with juices, dried oregano, dried basil, crushed red pepper, salt, and black pepper to the skillet. Stir to combine.

5- Stir in tomato paste and water, cooking until the sauce thickens.

6- Reduce heat to low. Add pieces of cream cheese and whisk until melted and creamy.

7- Stir in grated Parmesan cheese until fully incorporated.

8- Add fresh spinach and gently cook until wilted, about 2-3 minutes.

9- Mix drained pasta into the skillet, coating it thoroughly with the creamy tomato sauce.

10- Adjust seasoning with salt and pepper if needed.

11- Serve warm.