1. Place carrots, potatoes, 1/2 of the onion wedges and beef in slow cooker.
2. Mix Gravy Mixes, water and thyme in small bowl. Pour over top. Add remaining onion wedges. Cover.
3. Cook 8 hours on LOW or 4 hours on HIGH or until vegetables are tender.
4. Remove beef and vegetables to serving platter. Spoon some gravy over beef and vegetables. Serve remaining gravy on the side, if desired.