- In medium bowl, combine ground beef, bread crumbs and egg; shape into 12 meatballs.
- In slow cooker, arrange meatballs; pour sauce over meatballs.
- Cook covered on Low 8 to 10 hours or High 4 to 6 hours until meatballs are done.
- Serve, if desired, over hot cooked spaghetti.
Make “mini” meatballs and add toothpicks for quick, kid-friendly appetizers. Leftovers also make terrific meatball subs!