Check out THIS post at PinchingYourPennies.com for a comparison list of sale prices this week on common Thanksgiving food items.
There are lots of great deals, and most of them don't require coupons! And even the ones with coupons are still great deals without the coupons. Things to stock up on this next week: whipping cream, butter, canned pumpkin, stuffing mix, whipped topping/CoolWhip, cream cheese, cranberries, pie shells/dough, canned broth, Campbell's cream soups.
I'm the author of the post (Ducklette), so if you want to see additional items on the list or know of additional or corrected prices, just let me know and I'll add to/change the info.