Chow down on Thanksgiving Day football

It's been a long time since the NFL offered such a promising roster of Thanksgiving football games. Juicy storylines abound on Thursday: There's the clash of NFC North top dogs, as the undefeated Green Bay Packers take on the upstart Detroit Lions. The Dallas Cowboys, who need a win to keep the pressure on the Giants in the NFC East, take on the Miami Dolphins, winners of three straight. Finally, Jim Harbaugh's 9-1 San Francisco 49ers take on his brother Jim's 7-3 Baltimore Ravens in the first-ever match-up of sibling head coaches. Here's a guide to the games, complete with a themed food suggestion for each.