Bisquick Sausage cheese balls. You can make a batch spicy by using spicy breakfast sausage and then a batch of mild by using mild breakfast sausage. These can be baked ahead of time and the freeze great. www.food.com
Or our family is crazy about spicy cheese wafers (with rice crispies). The secret is to use the sharpest cheddar cheese you can find. again these can be made ahead of time and frozen. www.food.com
If it ever gets warm again before Christmas, grill some link sausgae. Freeze the frozen links. On the day you will serve them, thaw them, heat them up in the microwave, cut them in bite sized pieces serve with spicy mustards and or BBQ sauce.
Purchase tiny rolls stuff them with roast beef, ham or smoked turkey. "Lemonaise" is a fancy mayo that is so amazing, you can have it on the side with fancy mustards.
Steamed and chilled asparagus is awesome. (again lemonaise is great with this)
For seafood lovers spread a package of cream cheese directly onto a dinner plate. Pour spicy or regular cocktail sauce on top. Drain a can of crab meat and pour and spread the crab on top of sauce. Squeeze half of a lemon on top. Chill for an hour then let sit for 20 min before serving. Use water crackers to scoop the dip from the plate. (optional: You can sprinkle Tabasco sauce on top of this, then a little bit of Worcester sauce on top or you can add these sauces to the cream cheese before spreading on the plate for a spicier dip).
Our family always has Tamales with queso or chile con carne for Chritmas eve. To heat them, place them in a microwavable dish filled with paper towels, add about 1/3 cup water, cover and heat for about 2 minutes on high, Move the tamales around the dish, cover again and heat another 2 minutes.