Combine meatballs and sauce in saucepan. Cook over medium heat until heated through. Meatballs and sauce can be combined in a slow cooker and heated on high for 2 to 3 hours or on low for 4 to 6 hours. Serve in sandwich rolls topped with cheese.
For a fun, bite-size version that is perfect for parties and game day snacks, use a dinner-size roll and Mama Lucia’s mini-size meatballs.