Glide the sponge throughout the inside the stove, cleaning it the way you would clean a regular pot or pan. Scrub the areas with stuck-on food.
Wipe away excess with a paper towel or rag. Use a paper towel or rag to dry. Alternately, you can place parts of it, such as the grill, in the dishwasher.
Cast Iron Dutch Oven
Use a rag to spread warm, clean water onto the inside of the stove.
Turn the stove on and heat a pot of water until it starts to bubble up, indicating a boiling temperature.
Use a metal scrubber or sponge to remove built-up food. Wear heat-protective gloves to avoid being burned during the process.
Turn off the fire and rinse the oven with clean, warm water.
Let the oven air dry.
Turn the fire on underneath the oven again until it is hot to the touch. Put on your heat-protective gloves and rub a thin coat of vegetable oil on the inside and underneath the lid to help prevent rusting.
Turn off the fire and let it cool. Rub the outside with another thin coating of vegetable oil.
Outdoor Wood-Fired Ovens
Turn your oven to about 900 degrees Fahrenheit.
Put on your heat-resistant gloves. Take a stiff spatula and scrape away all of the debris from food that has been left from previous projects.
Turn the fire off. Using a small dry brush, sponge or toothbrush, scrape away any remains and dispose of them.