What are the top three epitomes of Hallmark Christmas movies?

I need nothing less than the absolute, unquestioned pure quill. They must be perfectly representative, trope-namers and establishers, and pure in their nature and execution. When those in the know for this genre hear their names, they must nod. Yes. This is the best three of them.

What? Oh, I just need to do some research for this year’s Timmy story.