1. Place chicken and mushrooms in slow cooker.
2. Mix stewed tomatoes, tomato sauce, spaghetti sauce mix, Italian seasoning, garlic powder and wine or water until blended. Pour over chicken and mushrooms. Cover.
3. Cook 8 hours on LOW or 4 hours on HIGH. Remove chicken and mushrooms to serving platter. Stir sauce before serving. Serve over cooked pasta, if desired.
Test Kitchen Tip: Use a paper towel to grasp the chicken skin for easier removal.
Slow Cooker Tip: For best results, do not remove cover during cooking.