Isn't part of Christmas lunch the delicious excess of it?
My mother always used to serve 6 courses
1 - Antipasto (Cold meats and vegetables in oil/vinegar like peppers/artichokes/mushrooms/olive etc)
2 - Home made ravioli cooked in both (like a pasta soup)- ( In Italy Christmas was not Christmas without these when my mother was young so it was sacrosanct that we had these)
3- Roast Turkey dinner
4 Home made chicken Escalope and salad (originally started because some of the usual 20 people who come for xmas dinner most years didn't like turkey and it continued year after year!)
5 - Home made zabaglione , later this became homemade tiramisu (These desserts were always the favourite and everyone liked them)
6 - Shop bought xmas pudding (after all we were in England and some people, though not all, liked Christmas pudding)
This is what you get when you mix two different countries celebrating Christmas, a cook who loved cooking and couldn't bring herself to not serve at least 3 courses that everyone liked/would eat. You get what is effectively two sets of a 3 course meal. None of us struggled too much to eat it actually, but lunch did usually take 2-3 hours to finish
I loved this as a child but I have to say the work involved was too much for me and my sister so since we have taken over cooking Christmas lunch (my mother is 89 now), the quality and choice of food at Christmas lunch has definitely deteriorated!
The op should do what she wants to on Christmas day and what she believes will work best, she is cooking it.