Many people eat much the same food for Thanksgiving and Christmas. Many people will make a Turkey, or a Ham (or both). For the last several years we have made a Prime Rib Roast.
You can find these dishes at many Thanksgiving or Christmas dinners...
Turkey, Ham, Goose (or Duck)
Baked Sweet Potatoes (usually topped with marshmallows)
Mashed Potatoes with Gravy
Bread Stuffing
Jellied Cranberry Sauce
Green Bean Casserole
All kinds of vegetables
Green Salads, Fruit Salads, Bean Salads
Rolls, and Breads of all varieties (my wife makes fantastic cranberry bread).
Pumkin Pie, Apple Pie, Mincemeat Pie, Pecan Pie
Fruitcake
Fudge
etc.
Most of us in the U.S. really like to eat.
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"I used to be indecisive.......... Now I'm not sure."