Main Dish Cheesy Scalloped Potatoes Recipe with Chicken

shredded cheddar cheese ((OK to substitute 2% milk cheese))

bunch green onions (sliced thin)

sour cream ((reduced fat OK))

milk

garlic powder

kosher salt ((plus more to taste))

freshly ground black pepper

large baking potatoes (peeled and sliced into thin circles)

boneless, skinless chicken breasts (cut into bite-sized pieces)