If you're serving meatballs at a party, you'll want to keep them warm so they're at their best. There are a few ways you can do this.u003cbr/u003eOne option is to place the meatballs on a baking sheet and keep them in a low oven (200-250 degrees Fahrenheit) until they're ready to be served. This will prevent them from drying out and keep them warm throughout.u003cbr/u003eAnother option is to place the meatballs in a slow cooker set on low. This will also keep them moist and prevent them from drying out. If you're using this method, you'll want to add a little bit of sauce to the bottom of the slow cooker so the meatballs don't stick and burn.