Celebrated caterer Peter Callahan knows how to throw a party. With a career spanning more than two decades and a client list including celebrities, politicians, Fortune 500 companies, and New York City socialites, Peter has earned a reputation for creating hors d'oeuvres that are as inventive and beautiful as they are delicious. A two-sip shot cleverly matched to a small bite is an incredible icebreaker, especially when the appetizer is playfully...