Depending on what kind of pan you use this time might be more or less (darker metal pans tend to cook more quickly, whereas glass pans can take much longer). (loveandoliveoil.com)
Metal pans do not have to be fancy or expensive, and you can often even find them in your local grocery store. (gfjules.com)
Their study involves the rate of water evaporation from metal pans placed at various land sites around the world. (discovermagazine.com)