Hashbrown Chicken Casserole

Ingredients

  • 3 cups cooked, shredded chicken
  • 1 package (30 oz) frozen hashbrowns, thawed
  • 1 can (10.5 oz) cream of chicken soup
  • 1 can (10.5 oz) cream of mushroom soup
  • 1 cup sour cream
  • 1/2 cup milk
  • 1/2 cup unsalted butter, melted
  • 1 1/2 cups shredded cheddar cheese, divided
  • 1/2 cup chopped onion
  • 1 tsp garlic powder
  • 1/2 tsp salt
  • 1/2 tsp black pepper
  • 1 cup crushed cornflakes or breadcrumbs (optional, for topping)