Here are a few things to get you started:
The scents of a perfectly cooked turkey, carefully prepared stuffing, and tasty, delicious sweet potato coaxed me upstairs.
The sweet potato in this sentence feels out of place. We have the perfectly cooked turkey ... carefully prepared stuffing ... and the tasty, delicious sweet potato. See what I mean? The word "tasty" throws off the rhythm and muddles the comma structure. Turkey and stuffing are rightfully singular, but I do hope that you have more than one potato to feed that many people.
I saw many of our family's friends and neighbors, and everyone has brought mouth-watering contributions to tonight's feast.
The verbs in this sentence could be a lot stronger. Right now, "I saw" is acting as the main verb andthat isn't very exciting. Why not just say: Our friends and neighbors have brought mouth-watering contributions to tonight's feast.
For as long as I can remember, this has been our tradition; my family has brought together more than thirty of our closest friends to our home for this annual celebration of thanks.
The "for as long as I remember" doesn't add anything to this sentence. It doesn't detract either, but with such a limited word count, you will want to make every word count. Try to rephrase this so it is active voice. Try something like: Traditionally, my family brings together more than thirty of our closest friends for this annual celebration of thanks.