I made my favorite soup, I think, a non-dairy Potato corn chowder from Table for Two by Joanne Stepianak. Here's a link to the recipe on Recipezaar. You can make it McDougall friendly by switching water for the oil.
And here's a picture, not very good.
And here's a link to another post about this soup with a much better picture.
I put just a little salt on it right before I eat it. It's good by itself or with some crusty bread.