To season a Dutch oven simply wipe the entire surface with a cooking oil, or grease. Turn off the oven and let the Dutch oven cool. It is now ready to use. There is no harm in cleaning your Dutch oven with warm water. Just remember to wipe the oven dry and receipt it with a light coat of cooking oil before storing.
Charcoal briquettes are the easiest to use and best for controlling the temperature.
Keep in mind the briquettes must be applied to both the top and the bottom. Use only quality charcoal briquettes for consistent temperature control. The heat source should come from the top and bottom equally. Coals should be placed under the oven and not the lid, at a 1 to 1 ratio. Baking This is better accomplished with more heat from the top than from the bottom.