Blitz it raw, then either cook it in the microwave or bake it on a tray in the oven.
It's really, really important that you squeeze the moisture out of it first - there's loads!
And it's not grim, BabyGanoush - it's surprisingly delicious!
The only thing I've found is that I've had to cook the bases for longer than any recipe I've ever used, to make sure that they're appropriately dry enough. Flipping them over and cooking on both sides also makes a difference.
GNRmama if you go to the Low Carb Bootcamp threads, you'll find a thread with loads of low carb recipes stickied there, which might give you some more inspiration!