It’s the annual WGBH holiday cooking marathon! Nigella Lawson of Nigella: At My Table kicks it off with relaxed entertaining, bringing festive flavors to familiar and traditional fare. In A Chef’s Life Holiday Special, Vivian Howard hosts her own version of seasonal fun with peanut brittle and much more. The cast of America’s Test Kitchen serves up great tips for planning a stress-free gathering. The Great British Baking Show’s Mary Berry and Paul Hollywood share their favorite recipes for Christmas classics like stollen, mincemeat streusel and a gingerbread house. And Rick Steves’ European Christmas follows it up with celebrations of the holidays in England, France, Norway, Germany, Austria, Switzerland and Italy.

It all starts at 12pm on WGBH 2.