Found through Hardens http://www.hardens.com/restaurant-features/uk-london/20-11-09/taste-of-xmas/
so basically if you love your food it should be good.
Tickets are normally £20 in advance and £22 on the door. http://www.tasteofchristmas.com
Taste of Christmas, the foodie event of the festive season, is returning to Excel London this December 4-6, 2009. Londons top chefs, 150 of the finest artisan producers and all you discerning gourmets will be mingling under the mistletoe for three full days of luxurious winter feasting. Discover the Michelin star secrets behind the ultimate Christmas dinner, stock up on the best festive food and sample your favourite restaurants seasonal menus all under one roof. Be inspired at Taste of Christmas, a winter wonderland of flavour.