Cooking with Amy/FlickrHirigoyen: Basque master.Cookbook fans, rev up your engines and head over the Golden Gate Bridge tonight for a tasty book signing. Piperade/Bocadillos chef Gerald Hirigoyen recently authored (with Lisa Weiss) Pintxos: Small Plates in the Basque Tradition (Ten Speed Press, $24.95). It's a cookbook about pintxos (peench-ohs), the Basque term for tapas or finger foods. Recipes include ham dust, aïoli, duck breast with oranges and green olives, and a yummy-sounding fried chic