Spaghettini with Tomato, Olive Oil, Garlic, and Basil

Most Italian recipes begin with either olive oil or butter, depending on whether the dish is delicate and sweet or more robustly flavored. Whether butter or olive oil is used also affects how the recipe evolves. This tomato sauce and the Simple Butter and Tomato Sauce are perfect examples of the difference between the two approaches. In the butter sauce, the sweeter flavor of onion is used and the sauce is cooked longer for a deep, rich flavor. This olive