Step 1

In a large pot over high heat, add the water, salt, and pasta, and cook the pasta to al dente according to the package instructions.

Step 2

Drain and wash the pasta with cold water to prevent it from overcooking.

Step 3

In a large skillet, on medium heat, add olive oil, and the onions, and cook them until they are lightly golden brown.

Step 4

Add the minced garlic and tomato sauce and mix well.

Step 5

Add the dried oregano, dried basil, chili flakes, and kosher salt. Then add the heavy cream and milk and mix well until combined.

Step 6

Add the mozzarella and parmesan cheese and mix over medium heat until the cheeses have melted.

Step 7

We used a hand blender to make the sauce smoother.

Step 8

Add the al dente-cooked pasta and mix well.

Step 9

Garnish with freshly chopped parsley and extra parmesan and serve!