Señor Sisig opens new Oakland location, complete with a full vegan menu The original staples will also be available. FacebookTwitterEmail Señor Sisig has just debuted its newest brick-and-mortar outpost in Oakland.David K. on Yelp More than a year after Señor Sisig opened its first brick-and-mortar in San Francisco, the popular Filipino fusion food truck has new digs in Oakland. Señor Sisig opened its latest restaurant Friday at 1628 Webster St., where it plans to serve both its original menu alongside vegan dishes featured at its spinoff, Señor Sisig Vegano. The San Francisco Chronicle first reported the opening.