Add the chicken, sea salt, garlic powder, pepper, tarragon, onions and mushrooms. Pour over the chicken broth. DO NOT ADD THE CREAM CHEESE OR SPAGHETTI YET. Cover and cook on LOW for 8 hours, or HIGH for 4 hours without opening the lid during the cooking time.
Cut the cream cheese into squares and add the slow cooker, cover. In the meantime cook the spaghetti according to the package directions.
After the cream cheese has had some time to melt. Take 2 forks and shred the chicken. Stir the sauce and chicken together. Add the cooked and drained pasta. Stir. Add the mozzarella cheese over the pasta and sauce. Cover for about 10 more minutes or until the cheese has melted. Serve and enjoy!
Nutritional values are approximate. Please use your own calculation if you require a special diet. Values below are for 1/8 of the recipe.