If you haven’t already seen it, there's a great post over at Nathan Bransford’s site: “How to Write a Novel”:
“Don't be intimidated by the bigness of the task. As the great Donald Trump would say: It is a 'UGE task. 'uge. The best thing you can do is to break a novel up into some comprehensible components that you can think about in a coherent fashion and try as hard as you can not to be intimidated.
“Contrary to the myth of the writer sitting down blindly and letting their inspiration spill onto the page, whether you're a thorough outliner or an adherent to the school of write-as-you-go-I'll-edit-later, I highly recommend having at least a rough sketch of the below elements in place before you sit down and type "Chapter 1: It was a dark and stormy night."
Read on here.