The flat surface of an electric griddle is perfect for holding big casserole and serving dishes. Some electric griddles have some open space underneath for warming, and you can even warm plates on the surface on a low setting.Click to see full answer. Similarly, you may ask, can you use a griddle as a warming tray?Presto’s griddles are not intended to be used as a buffet warmer or a warming tray. They are intended to be used as a direct cooking surface for foods such as burgers, eggs, grilled sandwiches, French toast, to name a few examples.Furthermore, what do you use a griddle for? A griddle has a smooth and flat surface, perfect for cooking breakfast foods like bacon, sausages, pancakes, home fries, french toast, and eggs. You can also use a griddle to make grilled cheese sandwiches, quesadillas, and anything else that you would usually cook on a frying pan. Accordingly, how do you keep food warm for a party? To keep food warm at a party, make sure you cover any containers with tin foil to keep the heat inside for longer. You can also keep soups and liquids warm in insulated bottles like a coffee thermos. If you have a portable oven or roaster oven, use it to keep any solid food warm.How can I keep food warm without electricity?Step #1: Place your hot dish in an airtight container and wrap it in aluminum foil. Make sure that the food container is tightly sealed. After that, wrap it in aluminum foil to secure its warmth. Step #2: Place the covered dish inside the thermal bag.