2000 BCE - 500 CE Historic Origins of Cooktops
The earliest evidence of controlled cooktops date back to 4000 years ago associated with the Indus Valley civilization of India. The design was exceedingly simple. A moderately flat-topped earthen dome was shaped over a fire cavity and food or cooking containers would be placed on top. If the structure was located inside, a chimney was constructed to allow smoke to escape. Over the next 1000 years, this structure would be adapted and spread as far as east Asia. As the design was passed on, it would pick up enhancements such as dampers and draft doors for better heat control. Eventually, the construction appeared and became prevalent in Japan around 500 CE and would henceforth be known by the generic term, "Kamado."