Pasta with Mushroom and Black Olive Sauce

Cathy Whims is the owner of Nostrana restaurant, in Portland, OR. Here is her inspired vegetarian take on a classic Umbrian pasta dish, Pasta alla Norciana. The original combines crumbled sausage, cream, and (sometimes) shaved truffle or porcini mushrooms. Here, meaty oil-cured olives take the place of the sausage, their strong, salty flavor tamed by th…