Slow Cooker Salisbury Steak Meatballs (Frozen Meatballs) is the ultimate comfort food for busy weeknights or family gatherings. This dish features hearty frozen meatballs simmered in a rich, savory gravy made with reduced-sodium beef broth and flavorful seasonings. The slow cooker does all the work, allowing the flavors to meld perfectly while you focus on other tasks. Serve these delectable meatballs over creamy mashed potatoes, rice, or noodles for a satisfying meal that everyone will love. Quick to prepare and perfect for meal prep, this recipe ensures delicious leftovers throughout the week!