Turkey for Christmas dinner is also common.
Though when my grandma was in charge of the holiday family get to gathers - there was pretty much something of everything. Turkey w/cornbread stuffing, ham, roast, string beans, mashed potatoes, gravy, yams, scratch made biscuits, cornbread, fresh corn off the cob, macaroni and cheese, deviled eggs, olives, potato salad, many bean salad, coleslaw, turnips and greens (as a kid it was not to my taste). Desserts included, angle food cake, German chocolate cake, apple pie, cobbler, chocolate pie, lemon meringue pie, fudge, divinity (which is hard to get right in damp weather).
I'm pretty sure I've forgotten those dishes that, as a kid, I didn't care for.
So many different dishes it seemed that at least one thing had to be constantly passed around for lack of room on the table.
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Glenn