By Sono Motoyama
Pittsburgh Post-Gazette
PITTSBURGH—Elected “ingredient of the year” by The New York Times, vinegar can have many uses and personalities far beyond its generic role in a salad dressing or as a decorative balsamic reduction.

PITTSBURGH—Elected “ingredient of the year” by The New York Times, vinegar can have many uses and personalities far beyond its generic role in a salad dressing or as a decorative balsamic reduction.