Forget the developer for a moment and take the user perspective. What's the first thing the user wants to do? Log in? Ok, that's a story. What's the next thing the user wants to do? See a list of widget prices? Ok, that's a story. What's the next thing the user wants to do? Change a price? Story.

If you can't sit down and think of a dozen narratives like this, then the fundamental problem that you don't really understand how people are supposed to use your software or what your software is supposed to do.