Preparing multiple dishes all at once—such as turkey or ham and all the fixings—can be a real challenge. But a roaster oven can be a huge help. These bad boys are big enough to roast a whole turkey, freeing up space in your regular oven for other tasks like sides and pies. They’re simple to use, easy to clean up, and they’re ultra-portable. These also work great for keeping covered dishes or leftovers warm for serving later. Here are three simple things to consider that will make choosing the right roaster oven a lot easier.