Completar frases Cooking: Using the Microwave Versión en línea Students will review how to use a microwave oven. por Maureen Westervelt 1 metal door Stir cover Cut time safe Using a Microwave Oven Do not use a microwave oven if the does not close tightly . Cook food in " microwave - " containers . You can use a paper towel or waxed paper to your food and avoid making a mess . Do not put any containers or utensils , including aluminum foil , into the microwave oven . Do not cook all foods for the same amount of . food in smaller pieces before cooking so it will heat up more quickly . food with a spoon before or during cooking so it will heat up evenly .