I know there are a few websites, 'cause I have a cousin who is a vegetarian and gets her recipes that way.
I found two that I hope are what you are looking for.
A Guide to Healthy Weight Loss
www.pcrm.org/.../pdfs/h.
Vegetarian weight loss diet plan recipes / lose weight fast ...rwnewyork.com/vegetarian-weight-loss-diet-plan-recipes.pdf