Making Delicious Dishes With Smoker Grills When refrigeration was not yet invented, raw meats were being smoked in order to maintain it when people go on a journey. Either they used cold smoke to protect the food or cooked the food and then maintained it with using hot smoke. http://growingcollardgreensincon63849.blogstival.com/16495262/making-delicious-dishes-with-smoker-grills