Add the parsley and basil, and stir to coat with the oil already in the pan, then add in tomatoes, salt, and pepper. Stir gently a few times to evenly incorporate all ingredients, turn the heat down to medium low, and simmer, uncovered for 12 to 15 minutes while you boil the pasta. If you used whole tomatoes, use a potato masher or fork to break them down toward the end of the cooking process.