Chef Joseph Leonardi, executive chef at the Somerset Club in Boston, conducts a two-hour demonstration to Johnson & Wales University culinary students on Jan. 16. Leonardi returned to his alma mater for the event as the 168th distinguished visiting chef and was honored at a luncheon. Joining him during the demo was Celia Cordeira, rear, a junior in the culinary-arts program, who received a $2,000 scholarship in his name.