Pasta: Bring the pasta water to a boil. Add salt and pasta. Cook al dente (according to packet instructions). Drain when cooked. Meanwhile, make the sauce.1 lb pasta
Chop the shallot and the garlic finely. If using fresh tomatoes, chop them (you can peel them first if desired). Set aside separately.1 shallot + 1 garlic clove + 1.3 lb tomatoes
Cook tomato sauce: Heat the oil in a saucepan and cook the chopped onions and garlic until they are softer, about 3 minutes. Add tomatoes, tomato paste, herbs, sugar, a little salt, and pepper. Stir well. Bring to a boil, turn the heat down, and simmer gently for 15 minutes.1 tablespoon olive oil + 4 sprigs basil leaves + 4 sprigs basil leaves + ½ teaspoon sugar + ½ teaspoon fine sea salt + ⅛ teaspoon ground black pepper
Addmascarpone and balsamic vinegar, stir well, and simmer for another 2 minutes. Adjust the taste with more balsamic vinegar, salt, and pepper. Remove the basil leaves, and add the remaining fresh chopped ones.4 tablespoons mascarpone + 1 teaspoon balsamic vinegar
Mix the mascarpone sauce with the cooked pasta.
Notes
Basil: Sub with about 2 teaspoons of dried Italian herbs or a mixture of dried oregano, thyme, and rosemary.
Mascarpone: Sub with the same amount of full-fat cream cheese.