Alex Guarnaschelli is an American chef. She currently serves as an 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 The Kitchen, Chopped (as a judge), Iron Chef America, All Star Family Cook-off, Guy’s Grocery Games (as both a judge and a competitor), and The Best Thing I Ever Ate. She hosts Alex’s Day Off, The Cooking Loft, and Supermarket Stakeout on Food Network and Cooking Channel. In 2012, she won that season of The Next Iron Chef: Redemption. In January 2022, she premiered her newest show, Alex vs. America, also on Food Network.
In 2013, Guarnaschelli’s first cookbook was published. Old-School Comfort Food: The Way I Learned to Cook mixes autobiographical details with favorite recipes from her professional life that she adapted for the home.