How to Make It
Spray inside of large slow cooker with cooking spray. Combine undrained tomatoes, tomato paste, meatballs and pepper strips in slow cooker. Cover; cook on LOW 4 hours or until meatballs are hot and peppers are tender.
Meanwhile, cook penne according to package directions. Drain. Stir meatball mixture to mix well. Serve sauce and meatballs over pasta; top with cheese.