Cook the pasta: Get a large pot of water on to boil. When it boils, add the salt followed by the pasta. Cook according to packet instructions or until al dente. Reserve a cup of pasta water and drain the pasta.
500 Spaghetti, or pasta of your choice, salt for cooking the spaghetti
In a small bowl, add the tomato paste and 2 to 3 tablespoons of white wine. Make a paste or slightly thinner liquid is fine. Don't overthink it, just mix the two and set the bowl aside.
2 tbsps tomato paste
Make the tomato sauce: Meanwhile, on medium heat, get a large skillet or non-stick saucepan on and heat the olive oil. Cook the garlic for 1-2 minutes until a light golden brown but watch they don't burn. Add in the crushed tomatoes and pour a dash of wine into the now empty tomato container. Give it a swirl and pour that into the pan too. Mix.
2 tbsps extra virgin olive oil, 4 garlic cloves, sliced, if the cloves are big use 2 to 3, 400 grams canned tomato, 1 regular size can, 1 cup dry white wine, divided or as needed
Seasoning: Season with salt and pepper and add the chopped parsley. Give it all a mix. salt and pepper, 2 tbsps fresh parsley, chopped and divided
Cook the mussels: Add the mussels ensuring that they are all covered in the sauce.
800 grams half shell mussels
Take the flavor profile of the tomato and white wine up a notch: Now add the tomato paste and white wine combination from earlier into the sauce to help it gain flavor and thicken. This is how you do it: Add the tomato paste: By now you should have a bit more liquid in the pan (the mussels will release water). Increase the heat back to medium high. Move the mussels so you can create space to add the paste, then pour it in and gently fold the mussels over the sauce so it can distribute throughout the pan. 2 tbsps tomato paste
Simmer & Thicken: Leave the mussels on a medium high simmer for the sauce to thicken and the mussels to cook. If your sauce is too thick, you can add a little cold water or reserved pasta water at a time.Tip: Do not add a lot of water or any kind of liquid because you don't want the mussels to overcook or the sauce to be too thin. It's best to add just a dash, (like a ¼ cup) and the mussels should be cooked through in a 12 to 15 minute simmer. Add the Pasta: Now add the cooked spaghetti and combine.
Serve: Chopped fresh parsley, fresh lemon zest and juice (if adding) and fresh black pepper. fresh lemon, fresh black pepper