Chicken spaghetti is completely different from "regular spaghetti"
Chicken spaghetti is made with chicken of course, spaghetti noodles and cream of mushroom soup, velvetta cheese, rotel and is baked like a casserole
Im from Houston and it is something we eat regularly.
As for your girl making the same dishes, might I suggest buying her a cookbook for Christmas or looking up some chefs to follow on IG or youtube.
I like to try new things when I cook and those are my go-to places for inspiration.
My Thanksgiving dinner about to be fire

And yea I do think you should be grateful. Sounds like she is making an attempt to show you how domestic she can be. I have a friend that only makes homemade hamburgers, nachos, hamburger helper, and fried porkchops. So it could be worse. Count your blessings on this one.