I found a site that shows you how to grow 100lbs of potatoes and its in a small area, so you can even do this if you live in an apartment!!!!

Just check out How to grow Grow 100 pounds of potatoes in 4 steps

The hubs and I are planning on trying this out. We love potatoes and since they are a gluten free item (I have a sensitivity to gluten) its even better!! Besides, you can do TONS with potatoes.