Fire chambers were invented that contained the wood fire, and holes were built into the top of these chambers that cooking pots with flat bottoms could be placed directly upon replacing the cauldron.
This oven was made entirely of brick and tile, including the flue.
Inventors began making improvements to wood burning stoves primarily to contain the bothersome smoke that was being produced.
It completely contained the fire, and had several opening covered by iron plates with holes.
Around 1728, cast iron ovens really began to be made in quantity.
Simple ovens were used by the ancient Greeks for making bread and other baked goods.