In a small bowl, whisk together the cream of chicken soup, milk, salt, pepper and garlic until smooth. Set aside.
Place the chicken breasts at the bottom of the crock pot.
Add the ham over the chicken in an even layer.
Top with the cheese.
Pour over the soup mixture and use a spatula to spread it out evenly.
Sprinkle over the cornbread stuffing mix.
Pour over the butter evenly over the stuffing.
Cover and cook on LOW for 5 hours.
Serve and enjoy!
