Use boneless skinless chicken thighs for juicier meat but adjust cooking time for bone-in pieces., Do not start cooking from frozen chicken to ensure food safety., Do not prepare the dry gravy mix separately; whisk it into the cream of chicken soup with broth or water before adding to the slow cooker., For a thinner gravy, add 1/2 to 1 cup water or chicken broth when mixing soup and gravy mix., If the gravy is too thin after cooking, thicken it with cornstarch mixed with cold water and gently heated., For a gluten-free version, use certified gluten-free cream soup and gravy mix or make a homemade thickened sauce., Can double the recipe by using a larger slow cooker, increasing cooking time slightly and checking internal temperature for safety., Alternative soups like cream of mushroom or low-sodium versions can be used, along with any chicken-flavored dry gravy mix.