Easy slow cooker chicken and gravy recipe

Season both sides of 1 pound boneless, skinless chicken breasts with garlic powder, salt, black pepper.
In your slow cooker, whisk together 2 packets chicken gravy mix, 10.5 ounce can cream of chicken soup and 2 cups water until smooth.
Add the seasoned chicken breasts. Be sure to get them covered in gravy.
Cover and cook on low for about 6-8 hours.
Once cooked, break chicken up into chunks using a fork.
Stir in 1/2 cup sour cream. Serve over rice or mashed potatoes and top with sliced green onions(optional)