Add the pasta water to a big pot and bring to boil. Add the pasta and cook according to the package instructions.
Wash the mussels under cold water. I used cleaned and debearded ones. Discard any piece with broken shell.
Add the tomato passata, juice, minced garlic and bay leaf to a deep pot on low heat. Stir from time to time and leave to simmer for 5 minutes.
Add the wine and leave to simmer for 5 more minutes.
Add the mussels, close the lid and leave to simmer for 5 minutes.
Open the lid and discard any mussels that didn't open already. Toss the remaining content, add the lid and leave it like that until serving.
Serve with a sprinkle of freshly chopped parsley.