Pasta primer: Ian Eberhardt, the library services manager for the Carnegie Library of Pittsburgh-Sheraden, teaches a group of adults and teenagers how to make ravioli from scratch during a HOW workshop Tuesday. The event is one of a series of free instructional programs held at the library. (Photo by Michael Henninger/Post-Gazette) #Pittsburgh #PGH #412 #pasta #library #CarnegieLibrary #CarnegieLibraryofPittsburgh