An inexpensive meal for us is chicken soup and whole wheat rolls or bread.
The soup is pretty basic:
whole chicken - $3 if not organic
onion, carrots, celery - $1.50, maybe more if we purchased smaller packages
spices and a handful of rice to toss in - $.50, likely less
I just make a stock from the chicken, spices, salt, and leftover bits of vegetables I keep in the freezer. Then I strain it, add the chopped up chicken back in, add the diced fresh veggies,...