Directions
Cook the pasta in salted boiling water until al dente. Reserve about ½ cup of the pasta water, then drain.
While the pasta cooks, heat the olive oil in a skillet over medium heat.
Add the onion and cook for 3–4 minutes, until translucent.
Add the garlic and cook for a few seconds.
Stir in the tomato paste and cook for 1–2 minutes.
Add the heavy cream and season with salt, pepper, and paprika.
Add a little reserved pasta water and stir.
Add the mozzarella and cook gently until melted.
Add the cooked pasta and enough pasta water to create a smooth, creamy sauce.
Stir in fresh basil and Parmesan if using.
Adjust seasoning and serve immediately.
