Penne all'arrabbiata ('Angry' Penne in a Spicy Tomato Sauce) Recipe

Here's another signature dish of Roman cooking, penne all'arrabbiata or 'angry' penne, perfect for an impromtu meal or snack when you crave something spicy. It is a very simple dish—basically an aglio, olio e peperoncino with tomato and extra peperoncino added for more heat.