Casseroles can be heated in the microwave. \x0d\ because casseroles are generally ceramic-based products. \x0d\\ can not be put into the microwave oven utensils: \x0d\ 1, ordinary plastic containers: \x0d\ heated food will make the plastic container deformation will also release toxic substances, contamination of food, endangering human health. \x0d\2, metal utensils: because put into the furnace iron, aluminum, stainless steel, enamel and other utensils, the microwave oven in the heating will produce sparks and reflect microwave, both damage to the furnace and can not heat the food. \x0d\3, closed containers: heating liquids should be used wide-mouth containers, because the heat generated by the heating of food in closed containers is not easy to disseminate, so that the pressure inside the container is too high, easy to cause blasting accidents.