We've had festive food at home, too, with Rachel Allen's Cardamom Sour Cream Cake. The recipe gives the option to use crème fraîche, but don't be tempted (and you will be tempted, because it comes in just the right size pot for the recipe). Definitely use sour cream for the tastiest cake:
Cardamom is my very favorite winter spice, followed by ginger. Which reminds me, I have yet to start our annual gingerbread cookie production. Where does the time go? Better go look for the cutters!