DIY Cardboard Box Oven

Recently we tried our hand at cooking brownies using a homemade cardboard box oven, which was inspired by this 'pin.' While not really a trail tip, we do dig alternative cooking methods and thought this might be a fun one to try. But, since I don't even like cooking and baking in my own kitchen and we didn't have the right sized box for this oven I probably should have followed my gut and not tried to replicate this oven in my backyard. But, live and learn. Here's how our box oven (and the brownies we tried to bake in…