Okay, it's too late for this year, as we are moving on to Christmas, Hanukkah, Kwanza and New Year now, but save this for next year. It's adorable and incredibly easy to make. Actually, you don't make it. You just assemble it.

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It's a Hershey's kiss, plus a mini nilla wafer, plus a butterscotch chip, held together with Nutella or chocolate frosting, canned or homemade.
I have been trying to avoid chemicals in food, but I would use these as decorations.
Instructions here.
http://loveycakes.wordpress.com/2011/11/23/acorn-cookies/