To store food properly using plastic wrap, first ensure the food is cool and dry. Place the food on a clean, flat surface and cover it with the plastic wrap, making sure to press the wrap directly onto the surface of the food to remove any air pockets. Seal the wrap tightly, either by stretching it over the edges of the container or by using a twist tie or rubber band to secure it. For best results, store the wrapped food in the refrigerator or freezer, depending on the type of food and how long you plan to store it. Always check the expiration date and discard any food that shows signs of spoilage.