I can honestly say that I'm not sure I've ever specifically seen a "budget recipe" thread here. But we do talk a lot about budgets and recipes! But often it is in the context of someone having a limited grocery budget for a short period of time (like during a layoff or when saving for a vacation) and wanting to make the best use of what they have on hand. And of course, there are several crockpot threads.
I could be wrong.... the Budget Board isn't my "main home" here on the Dis. We do have a great recipe board over on the WISH board if you want to check it out. Lots of really healthy recipes! ..........................P