Trofie with Pesto Sauce

‘The famous pesto alla genovese is without doubt one of the classic sauce recipes of Italian cooking. Its true home, however, is in Liguria, where the ingredients needed can be obtained all year round. There are many different variations of this sauce, which is always accompanied by the large flat spaghetti called trenette, or else by home-made pasta shapes called trofie. (The latter are now available dried in good delicatessens.)’