Buffy: The High School Years - Glutton for Punishment
When Buffy and Xander sign up for Home Ec, assuming it will be an extra-credit cakewalk, they aren't aware that the teacher is a ravenous tiger demon in disguise! When he's found to be kidnapping his top students and forcing them to cook for him, Buffy must rescue her fellow students-and give the tiger demon his just desserts!