If you have an existing wood stove in your home that you use for heat, you can follow a few steps to add an oven for baking. Whether you want to bake some bread, pizza or casseroles, you’ll be in business soon. This oven uses the heat that is typically lost in your chimney flue, to actually cook through this oven that you can easily install.
Follow the link below for DIY instructions, as well as where you can buy an oven add on.
I have to say this is pretty cool I'm going to order one myself.
sweet. Let me know if you do