Rocket stove with 4 cinder blocks!
SAFETY WARNING: Be careful when cooking near structures. Don't burn your house down.
The block was cut with a cement blade on a circular saw.
There are all kinds of amazing rocket stove ideas but this is one of Farm Girl and Exoman's favorites. It cooks very efficiently with just twigs and branches! Farm Girl and Exoman quickly cook burgers with a minimal amount of fuel.
This quick video shows how to make a rocket stove in just a 1 minute once you have a block with the end cut out.