PETER P. GREWELING is a professor of baking and pastry arts at The Culinary Institute of America and a Certified Master Baker. He has worked as a pastry chef at a number of restaurants, including New York City's Tavern on the Green, and has extensive training in confectionery technology. Greweling was part was part of the CIA faculty team that won the grand prize of the Societe Culinaire Philanthropique's New York Culinary Salon in 1996 and 1997.