Step 1

In a large pot over medium heat, add the olive oil and onion, and cook until the onion is slightly translucent.

Step 2

Add the garlic, salt, and vodka, and cook for about 2 minutes, stirring constantly.

Step 3

Add the tomato sauce and heavy cream, and bring to a boil.

Step 4

Add the cooked penne and stir until the sauce evenly coats the pasta.

Step 5

Serve warm with Parmesan and parsley.

Step 6

Enjoy!