I was thinking I'd seen a "new" Crisco product that had no hydrogenated fats, with a green label...but I sure can't find anything about it on their website!
My rebatched soaps turn out pretty well, but I add a lot of liquid to them. The trick seems to be SPEED. When it reaches that mashed potato consistency, you have a matter of seconds to transfer the soap from the pot or (if microwaving) bowl to the mold, and compress it QUICKLY, because it cools FAST.
I only use a loaf mold when rebatching--one with a lid that fits down into the mold. I press the lid down into the soap with all my strength, while it's still nice and hot, working as fast as I possibly can. I mean, I really lay into it, pressing it down. That seems to make a real difference.