Making Delicious Dishes With Smoker Grills When refrigeration was not yet created, raw meats were being smoked in order to protect it when people go on a journey. Either they used cold smoke to preserve the food or prepared the food and then maintained it with using hot smoke. http://rylanpdmzc.onesmablog.com/Making-Delicious-Cuisines-With-Smoker-Grills-30296899