Alexandra Guarnaschelli (born 1972) is a chef and executive chef at New York City's Butter restaurant and was executive chef at The Darby restaurant before its closing. She appears as a television personality on the Food Network shows Chopped, Iron Chef America, All Star Family Cook-off, and The Best Thing I Ever Ate. She hosts Alex's Day Off and The Cooking Loft on Food Network and Cooking Channel. In 2012, she won that season of Iron Chef America.
