Penne con Tonno

This is such a quick recipe, says Laura Mansi Salom, that the most time-consuming step is going to the market to buy the fish. Be sure to use the best tuna you can find. Choose brined black olives such as small Ligurian or Niçoise olives; but don’t use Gaetas or kalamatas, because they are very salty—and please stay away from tasteless California black olives. The simplest way to pit the olives is to set them on a cutting board and press down on the