Slow Cooker Apple Cider Maple Meatballs are a delicious and easy appetizer that's perfect for parties and gatherings. These tender and flavorful meatballs are cooked in a sweet and tangy sauce made with apple cider and maple syrup. The slow cooker does all the work, allowing the flavors to meld together and the meatballs to become perfectly tender. Serve these meatballs as a tasty appetizer or as a main dish with rice or noodles.