To make this tasty treat:
Wash and cut rhubarb into pieces.
Place in a cast iron pan.
Put the cast iron pan into a wood stove that has some hot coals.
Pull the rhubarb out when it is soft and the edges have blackened.
Poor the rhubarb into a bowl and stir in desired amount of maple syrup for sweetness.
This is delicious served over plain full fat yogurt.