The reason I say go outside inwards is it makes no difference how beautiful any individual sentence is, if the whole thing is wrong, if the story telling doesn't work, if there are problems with structure, then no one is ever going to read that perfect sentence. So, the story, the structure, the shape has to be right before you start fussing over adjectives and verbs.
At this stage I like to put the story down on index cards, one card per scene. On the card you write the setting, characters present, the purposes of the scene and the main action. This is one I wrote for an early draft of Another Woman's Husband.
Setting: Don't actually know! next page, B's house somewhere. Also, not dated.
Becca and Lily. Becca dreaming of Paul, Lily wanting to go out late clubbing. Frank rings, wants Becca to go round and help. NB Frank last mentioned/seen when? Pages ago.
And a couple from Kissing Mr Wrong...
Setting: Lorna's place. Dinner party. L's invited Marcus for Alex. Other people there NB should have been mentioned in opening scene. Skiing trip mentioned - Alex will need to find the money. Lorna offers her job in the gallery.
Setting: ????? Alex and Lorna. Alex talks about a) career, she's gone adrift b) Marcus as perfect man c) what to do about photograph. Lorna a) tells her M's going to Glasgow b) suggests Gus as possible re photograph
Obviously, as I was writing out my index cards I realised there were some problems which would need to be addressed should the scenes remain in the next draft and made notes accordingly. But that's for a future stage. Right now I'm checking that it's clear what the purposes are for each scene and how they move the story on.
When I've gone through the whole of the novel I've got a stack of index cards. I lay these out on the bed (I work a lot in bed). This is the easiest way to 'see' the novel as a whole. I'm looking for various things, all concerned with structure -
* is the 'shape' of the novel right, with exciting stuff happening throughout (the cherries - see earlier post)
* is there a good balance between active and reflective scenes (ie pace)
* do scenes flow ie have I set actions up
* are there any obvious holes - a character goes missing for a while, a plot strand is unresolved
* is the timing right? eg if someone becomes pregnant in Jan, do they have the baby in the autumn? At this stage I work out exactly when each scene takes place and note any bank holidays or other events that may affect the story.
I move scenes around, I add them, I take them away, I combine them. Anything. It's a fluid process (it's soup!). When I'm happy with the shape of it, it's on to the next course.
PS It's my birthday today!