In large bowl, mix Meatball ingredients. Shape mixture into 12 round meatballs.
In 6-quart slow-cooker, mix diced tomatoes, tomato paste, broth, Italian seasoning, 1 teaspoon salt and 1/4 teaspoon pepper. Add meatballs to slow-cooker.
Cover and cook on High heat setting 3 hours or on Low heat setting 6 hours or until meatballs are completely cooked through.
Add tortellini; cover and cook 10 to 15 minutes or until soft.
Serve meatballs and tortellini with Parmesan cheese and basil.