I do homemade chicken pot pie by mixing a cream-based soup (cream of chicken, cream of potato, cream of mushroom or some combination of) w/leftover chicken and canned veggies (drained). Pour into a ready-made deep dish pie shell, top with a second pie shell, and pop it in the oven. It's also pretty easy to make several and freeze the extras for later. I've never really priced it out to see how cheap it is but it's an easy way to use leftover chicken and whatever soup and veggies I have on hand. I usually keep a couple pie crusts in the freezer and vary the soup and veggies I use.