I'm trying the food stamp challenge as well. I had to make a few modifications to the amount, though. My wife agreed to try too, but only for dinner, and we can really only hit six-and-a-half days, due to some preexisting plans. Given that, I alloted $24.
I also added the rule that you can eat food you grew. In my case that only really amounts to a few tomatoes, a handful of chilies, and an acorn squash.
Here is a picture of the week's larder: read more »