Instructions

In a large skillet, cook the beef, onion, green pepper, mushrooms and celery over medium heat until meat is no longer pink. Add garlic; cook 1 minute longer. Drain.
In a 3-qt. slow cooker, combine the tomatoes, spaghetti sauce, ketchup, sugars, salt, oregano, chili powder and mustard. Stir in the beef mixture. Cover and cook on low for 4-5 hours or until heated through.
Freeze Option:: Cool before placing in a freezer container. Cover and freeze for up to 3 months. To use, thaw in the refrigerator overnight. Place in a large saucepan; heat through, stirring occasionally. Serve with hot spaghetti.