My quest to sample the world's most famous pastries led me to Liege, Belgium, home to one of life's most delightful indulgences -- authentic Liege waffles.Faster than I could say Bonjour! to the cheery street vendor, I had a steaming, buttery, vanilla-laden joy for the senses in hand.PSSST: The secret ingredient to this exquisite dish is the healthy dose of pearl sugar in thebatter, which melt and caramelize when cooked. C'est magnifique!