Crockpot Cheesy Potatoes

Ingredients:

7-8 large potatoes, peeled and diced

1 (10.5 oz) can cream of chicken soup (or any creamed soup of your choice)

1/4 cup (4 tablespoons) butter, melted

1/2 cup sour cream

1/2 teaspoon garlic powder

1/2 teaspoon black pepper

2 cups shredded cheddar cheese, divided