I too have heard that boiling veggies for a long time like in soups will concentrate the sugars. I think that is why the Heller's don't really have any soups listed in their books, except for RM recipes. The extra sugars end up in the broth and this is where the problem is. If you want to have a suup you can precook your veggies in water or saute them first and add to broth, but don't do any more cooking in the broth. I learned this a long time ago from others who were on CAD/CALP.

They might mention more about this in their new book , "The 7 Day Low Carb Rescue and Discover Plan..